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Finding the Fourth Proportional to 61,742.66, 92,400.75 and 38,041.04

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Solution

The fourth proportional to 61,742.66, 92,400.75 and 38,041.04 is: 56,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,742.66 : 92,400.75 = 38,041.04 : x
  2. Step 2: Convert to fraction form
    61,742.66/92,400.75 = 38,041.04/x
  3. Step 3: Cross multiply
    61,742.66x = 92,400.75 × 38,041.04
  4. Step 4: Simplify right side
    61,742.66x = 3,515,020,857.78
  5. Step 5: Solve for x
    x = 3,515,020,857.78/61,742.66
  6. Step 6: Final answer
    x = 56,930.19

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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.