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Finding the Fourth Proportional to 6,663.60, 9,997.11 and 2,281.10

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Solution

The fourth proportional to 6,663.60, 9,997.11 and 2,281.10 is: 3,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.60 : 9,997.11 = 2,281.10 : x
  2. Step 2: Convert to fraction form
    6,663.60/9,997.11 = 2,281.10/x
  3. Step 3: Cross multiply
    6,663.60x = 9,997.11 × 2,281.10
  4. Step 4: Simplify right side
    6,663.60x = 22,804,357.64
  5. Step 5: Solve for x
    x = 22,804,357.64/6,663.60
  6. Step 6: Final answer
    x = 3,422.23

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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.