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Finding the Fourth Proportional to 67,764.96, 93,527.04 and 39,487.44

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Solution

The fourth proportional to 67,764.96, 93,527.04 and 39,487.44 is: 54,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,764.96 : 93,527.04 = 39,487.44 : x
  2. Step 2: Convert to fraction form
    67,764.96/93,527.04 = 39,487.44/x
  3. Step 3: Cross multiply
    67,764.96x = 93,527.04 × 39,487.44
  4. Step 4: Simplify right side
    67,764.96x = 3,693,143,380.38
  5. Step 5: Solve for x
    x = 3,693,143,380.38/67,764.96
  6. Step 6: Final answer
    x = 54,499.31

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1.5x scale

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.