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Finding the Fourth Proportional to 32,516.68, 48,752.82 and 15,640.78

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Solution

The fourth proportional to 32,516.68, 48,752.82 and 15,640.78 is: 23,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,516.68 : 48,752.82 = 15,640.78 : x
  2. Step 2: Convert to fraction form
    32,516.68/48,752.82 = 15,640.78/x
  3. Step 3: Cross multiply
    32,516.68x = 48,752.82 × 15,640.78
  4. Step 4: Simplify right side
    32,516.68x = 762,532,132.00
  5. Step 5: Solve for x
    x = 762,532,132.00/32,516.68
  6. Step 6: Final answer
    x = 23,450.49

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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.