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Finding the Fourth Proportional to 58,581.60, 87,910.20 and 32,305.20

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Solution

The fourth proportional to 58,581.60, 87,910.20 and 32,305.20 is: 48,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,581.60 : 87,910.20 = 32,305.20 : x
  2. Step 2: Convert to fraction form
    58,581.60/87,910.20 = 32,305.20/x
  3. Step 3: Cross multiply
    58,581.60x = 87,910.20 × 32,305.20
  4. Step 4: Simplify right side
    58,581.60x = 2,839,956,593.04
  5. Step 5: Solve for x
    x = 2,839,956,593.04/58,581.60
  6. Step 6: Final answer
    x = 48,478.65

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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.