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Finding the Fourth Proportional to 62,031.60, 92,950.20 and 39,805.20

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Solution

The fourth proportional to 62,031.60, 92,950.20 and 39,805.20 is: 59,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,031.60 : 92,950.20 = 39,805.20 : x
  2. Step 2: Convert to fraction form
    62,031.60/92,950.20 = 39,805.20/x
  3. Step 3: Cross multiply
    62,031.60x = 92,950.20 × 39,805.20
  4. Step 4: Simplify right side
    62,031.60x = 3,699,901,301.04
  5. Step 5: Solve for x
    x = 3,699,901,301.04/62,031.60
  6. Step 6: Final answer
    x = 59,645.43

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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.