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Finding the Fourth Proportional to 47,871.52, 71,700.35 and 34,693.63

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Solution

The fourth proportional to 47,871.52, 71,700.35 and 34,693.63 is: 51,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,871.52 : 71,700.35 = 34,693.63 : x
  2. Step 2: Convert to fraction form
    47,871.52/71,700.35 = 34,693.63/x
  3. Step 3: Cross multiply
    47,871.52x = 71,700.35 × 34,693.63
  4. Step 4: Simplify right side
    47,871.52x = 2,487,545,413.77
  5. Step 5: Solve for x
    x = 2,487,545,413.77/47,871.52
  6. Step 6: Final answer
    x = 51,962.95

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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.