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Finding the Fourth Proportional to 62,374.51, 86,114.96 and 40,591.54

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Solution

The fourth proportional to 62,374.51, 86,114.96 and 40,591.54 is: 56,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,374.51 : 86,114.96 = 40,591.54 : x
  2. Step 2: Convert to fraction form
    62,374.51/86,114.96 = 40,591.54/x
  3. Step 3: Cross multiply
    62,374.51x = 86,114.96 × 40,591.54
  4. Step 4: Simplify right side
    62,374.51x = 3,495,538,209.91
  5. Step 5: Solve for x
    x = 3,495,538,209.91/62,374.51
  6. Step 6: Final answer
    x = 56,041.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.