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Finding the Fourth Proportional to 39,649.96, 59,469.13 and 11,562.47

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Solution

The fourth proportional to 39,649.96, 59,469.13 and 11,562.47 is: 17,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649.96 : 59,469.13 = 11,562.47 : x
  2. Step 2: Convert to fraction form
    39,649.96/59,469.13 = 11,562.47/x
  3. Step 3: Cross multiply
    39,649.96x = 59,469.13 × 11,562.47
  4. Step 4: Simplify right side
    39,649.96x = 687,610,031.55
  5. Step 5: Solve for x
    x = 687,610,031.55/39,649.96
  6. Step 6: Final answer
    x = 17,342.01

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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.