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Finding the Fourth Proportional to 39,484.88, 59,117.88 and 31,549.52

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Solution

The fourth proportional to 39,484.88, 59,117.88 and 31,549.52 is: 47,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,484.88 : 59,117.88 = 31,549.52 : x
  2. Step 2: Convert to fraction form
    39,484.88/59,117.88 = 31,549.52/x
  3. Step 3: Cross multiply
    39,484.88x = 59,117.88 × 31,549.52
  4. Step 4: Simplify right side
    39,484.88x = 1,865,140,737.42
  5. Step 5: Solve for x
    x = 1,865,140,737.42/39,484.88
  6. Step 6: Final answer
    x = 47,236.83

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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.