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Finding the Fourth Proportional to 39,589.92, 59,386.91 and 10,008.01

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Solution

The fourth proportional to 39,589.92, 59,386.91 and 10,008.01 is: 15,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589.92 : 59,386.91 = 10,008.01 : x
  2. Step 2: Convert to fraction form
    39,589.92/59,386.91 = 10,008.01/x
  3. Step 3: Cross multiply
    39,589.92x = 59,386.91 × 10,008.01
  4. Step 4: Simplify right side
    39,589.92x = 594,344,789.15
  5. Step 5: Solve for x
    x = 594,344,789.15/39,589.92
  6. Step 6: Final answer
    x = 15,012.53

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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.