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Finding the Fourth Proportional to 57,704.32, 79,627.20 and 32,560

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Solution

The fourth proportional to 57,704.32, 79,627.20 and 32,560 is: 44,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,704.32 : 79,627.20 = 32,560 : x
  2. Step 2: Convert to fraction form
    57,704.32/79,627.20 = 32,560/x
  3. Step 3: Cross multiply
    57,704.32x = 79,627.20 × 32,560
  4. Step 4: Simplify right side
    57,704.32x = 2,592,661,632
  5. Step 5: Solve for x
    x = 2,592,661,632/57,704.32
  6. Step 6: Final answer
    x = 44,930.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.