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Finding the Fourth Proportional to 57,881.43, 79,877.88 and 32,386.95

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Solution

The fourth proportional to 57,881.43, 79,877.88 and 32,386.95 is: 44,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,881.43 : 79,877.88 = 32,386.95 : x
  2. Step 2: Convert to fraction form
    57,881.43/79,877.88 = 32,386.95/x
  3. Step 3: Cross multiply
    57,881.43x = 79,877.88 × 32,386.95
  4. Step 4: Simplify right side
    57,881.43x = 2,587,000,905.67
  5. Step 5: Solve for x
    x = 2,587,000,905.67/57,881.43
  6. Step 6: Final answer
    x = 44,694.83

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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.