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Finding the Fourth Proportional to 31,737.60, 47,606.16 and 9,550.88

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Solution

The fourth proportional to 31,737.60, 47,606.16 and 9,550.88 is: 14,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,737.60 : 47,606.16 = 9,550.88 : x
  2. Step 2: Convert to fraction form
    31,737.60/47,606.16 = 9,550.88/x
  3. Step 3: Cross multiply
    31,737.60x = 47,606.16 × 9,550.88
  4. Step 4: Simplify right side
    31,737.60x = 454,680,721.42
  5. Step 5: Solve for x
    x = 454,680,721.42/31,737.60
  6. Step 6: Final answer
    x = 14,326.25

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1.5x scale

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.