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Finding the Fourth Proportional to 39,649.97, 59,469.12 and 11,562.47

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Solution

The fourth proportional to 39,649.97, 59,469.12 and 11,562.47 is: 17,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649.97 : 59,469.12 = 11,562.47 : x
  2. Step 2: Convert to fraction form
    39,649.97/59,469.12 = 11,562.47/x
  3. Step 3: Cross multiply
    39,649.97x = 59,469.12 × 11,562.47
  4. Step 4: Simplify right side
    39,649.97x = 687,609,915.93
  5. Step 5: Solve for x
    x = 687,609,915.93/39,649.97
  6. Step 6: Final answer
    x = 17,342.00

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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.