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Finding the Fourth Proportional to 64,439.50, 88,926.31 and 35,763.53

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Solution

The fourth proportional to 64,439.50, 88,926.31 and 35,763.53 is: 49,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,439.50 : 88,926.31 = 35,763.53 : x
  2. Step 2: Convert to fraction form
    64,439.50/88,926.31 = 35,763.53/x
  3. Step 3: Cross multiply
    64,439.50x = 88,926.31 × 35,763.53
  4. Step 4: Simplify right side
    64,439.50x = 3,180,318,154.38
  5. Step 5: Solve for x
    x = 3,180,318,154.38/64,439.50
  6. Step 6: Final answer
    x = 49,353.55

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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.