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Finding the Fourth Proportional to 58,512.60, 87,620.40 and 32,187.60

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Solution

The fourth proportional to 58,512.60, 87,620.40 and 32,187.60 is: 48,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,512.60 : 87,620.40 = 32,187.60 : x
  2. Step 2: Convert to fraction form
    58,512.60/87,620.40 = 32,187.60/x
  3. Step 3: Cross multiply
    58,512.60x = 87,620.40 × 32,187.60
  4. Step 4: Simplify right side
    58,512.60x = 2,820,290,387.04
  5. Step 5: Solve for x
    x = 2,820,290,387.04/58,512.60
  6. Step 6: Final answer
    x = 48,199.71

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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.