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Finding the Fourth Proportional to 57,405.62, 79,216.71 and 32,253.50

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Solution

The fourth proportional to 57,405.62, 79,216.71 and 32,253.50 is: 44,508.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,405.62 : 79,216.71 = 32,253.50 : x
  2. Step 2: Convert to fraction form
    57,405.62/79,216.71 = 32,253.50/x
  3. Step 3: Cross multiply
    57,405.62x = 79,216.71 × 32,253.50
  4. Step 4: Simplify right side
    57,405.62x = 2,555,016,155.99
  5. Step 5: Solve for x
    x = 2,555,016,155.99/57,405.62
  6. Step 6: Final answer
    x = 44,508.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.