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Finding the Fourth Proportional to 60,834.60, 91,220.73 and 32,387.70

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Solution

The fourth proportional to 60,834.60, 91,220.73 and 32,387.70 is: 48,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,834.60 : 91,220.73 = 32,387.70 : x
  2. Step 2: Convert to fraction form
    60,834.60/91,220.73 = 32,387.70/x
  3. Step 3: Cross multiply
    60,834.60x = 91,220.73 × 32,387.70
  4. Step 4: Simplify right side
    60,834.60x = 2,954,429,637.02
  5. Step 5: Solve for x
    x = 2,954,429,637.02/60,834.60
  6. Step 6: Final answer
    x = 48,564.96

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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.