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Finding the Fourth Proportional to 61,534.80, 92,494.87 and 40,609.31

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Solution

The fourth proportional to 61,534.80, 92,494.87 and 40,609.31 is: 61,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,534.80 : 92,494.87 = 40,609.31 : x
  2. Step 2: Convert to fraction form
    61,534.80/92,494.87 = 40,609.31/x
  3. Step 3: Cross multiply
    61,534.80x = 92,494.87 × 40,609.31
  4. Step 4: Simplify right side
    61,534.80x = 3,756,152,377.49
  5. Step 5: Solve for x
    x = 3,756,152,377.49/61,534.80
  6. Step 6: Final answer
    x = 61,041.11

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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.