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Finding the Fourth Proportional to 57,956.30, 86,934.45 and 22,877.90

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Solution

The fourth proportional to 57,956.30, 86,934.45 and 22,877.90 is: 34,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,956.30 : 86,934.45 = 22,877.90 : x
  2. Step 2: Convert to fraction form
    57,956.30/86,934.45 = 22,877.90/x
  3. Step 3: Cross multiply
    57,956.30x = 86,934.45 × 22,877.90
  4. Step 4: Simplify right side
    57,956.30x = 1,988,877,653.66
  5. Step 5: Solve for x
    x = 1,988,877,653.66/57,956.30
  6. Step 6: Final answer
    x = 34,316.85

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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.