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Finding the Fourth Proportional to 62,747.61, 94,114.53 and 18,374.81

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Solution

The fourth proportional to 62,747.61, 94,114.53 and 18,374.81 is: 27,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,747.61 : 94,114.53 = 18,374.81 : x
  2. Step 2: Convert to fraction form
    62,747.61/94,114.53 = 18,374.81/x
  3. Step 3: Cross multiply
    62,747.61x = 94,114.53 × 18,374.81
  4. Step 4: Simplify right side
    62,747.61x = 1,729,336,136.42
  5. Step 5: Solve for x
    x = 1,729,336,136.42/62,747.61
  6. Step 6: Final answer
    x = 27,560.19

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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.