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Finding the Fourth Proportional to 6,101.99, 8,420.73 and 3,449.36

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Solution

The fourth proportional to 6,101.99, 8,420.73 and 3,449.36 is: 4,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.99 : 8,420.73 = 3,449.36 : x
  2. Step 2: Convert to fraction form
    6,101.99/8,420.73 = 3,449.36/x
  3. Step 3: Cross multiply
    6,101.99x = 8,420.73 × 3,449.36
  4. Step 4: Simplify right side
    6,101.99x = 29,046,087.13
  5. Step 5: Solve for x
    x = 29,046,087.13/6,101.99
  6. Step 6: Final answer
    x = 4,760.10

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.