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Finding the Fourth Proportional to 6,681,610.20, 10,022,415.30 and 6,681,610.20

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Solution

The fourth proportional to 6,681,610.20, 10,022,415.30 and 6,681,610.20 is: 10,022,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681,610.20 : 10,022,415.30 = 6,681,610.20 : x
  2. Step 2: Convert to fraction form
    6,681,610.20/10,022,415.30 = 6,681,610.20/x
  3. Step 3: Cross multiply
    6,681,610.20x = 10,022,415.30 × 6,681,610.20
  4. Step 4: Simplify right side
    6,681,610.20x = 66,965,872,297,116.07
  5. Step 5: Solve for x
    x = 66,965,872,297,116.07/6,681,610.20
  6. Step 6: Final answer
    x = 10,022,415.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.