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Finding the Fourth Proportional to 32,425.81, 48,640.21 and 9,934.88

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Solution

The fourth proportional to 32,425.81, 48,640.21 and 9,934.88 is: 14,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,425.81 : 48,640.21 = 9,934.88 : x
  2. Step 2: Convert to fraction form
    32,425.81/48,640.21 = 9,934.88/x
  3. Step 3: Cross multiply
    32,425.81x = 48,640.21 × 9,934.88
  4. Step 4: Simplify right side
    32,425.81x = 483,234,661.94
  5. Step 5: Solve for x
    x = 483,234,661.94/32,425.81
  6. Step 6: Final answer
    x = 14,902.78

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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.