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Finding the Fourth Proportional to 43,143.65, 64,724.72 and 24,432.53

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Solution

The fourth proportional to 43,143.65, 64,724.72 and 24,432.53 is: 36,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143.65 : 64,724.72 = 24,432.53 : x
  2. Step 2: Convert to fraction form
    43,143.65/64,724.72 = 24,432.53/x
  3. Step 3: Cross multiply
    43,143.65x = 64,724.72 × 24,432.53
  4. Step 4: Simplify right side
    43,143.65x = 1,581,388,540.98
  5. Step 5: Solve for x
    x = 1,581,388,540.98/43,143.65
  6. Step 6: Final answer
    x = 36,654.03

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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.