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Finding the Fourth Proportional to 62,397.54, 93,628.71 and 47,700.90

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Solution

The fourth proportional to 62,397.54, 93,628.71 and 47,700.90 is: 71,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,397.54 : 93,628.71 = 47,700.90 : x
  2. Step 2: Convert to fraction form
    62,397.54/93,628.71 = 47,700.90/x
  3. Step 3: Cross multiply
    62,397.54x = 93,628.71 × 47,700.90
  4. Step 4: Simplify right side
    62,397.54x = 4,466,173,732.84
  5. Step 5: Solve for x
    x = 4,466,173,732.84/62,397.54
  6. Step 6: Final answer
    x = 71,576.12

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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.