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Finding the Fourth Proportional to 58,884.30, 88,349.90 and 21,446.91

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Solution

The fourth proportional to 58,884.30, 88,349.90 and 21,446.91 is: 32,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,884.30 : 88,349.90 = 21,446.91 : x
  2. Step 2: Convert to fraction form
    58,884.30/88,349.90 = 21,446.91/x
  3. Step 3: Cross multiply
    58,884.30x = 88,349.90 × 21,446.91
  4. Step 4: Simplify right side
    58,884.30x = 1,894,832,246.57
  5. Step 5: Solve for x
    x = 1,894,832,246.57/58,884.30
  6. Step 6: Final answer
    x = 32,178.90

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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.