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Finding the Fourth Proportional to 69,064.96, 95,306.88 and 38,850.88

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Solution

The fourth proportional to 69,064.96, 95,306.88 and 38,850.88 is: 53,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,064.96 : 95,306.88 = 38,850.88 : x
  2. Step 2: Convert to fraction form
    69,064.96/95,306.88 = 38,850.88/x
  3. Step 3: Cross multiply
    69,064.96x = 95,306.88 × 38,850.88
  4. Step 4: Simplify right side
    69,064.96x = 3,702,756,158.05
  5. Step 5: Solve for x
    x = 3,702,756,158.05/69,064.96
  6. Step 6: Final answer
    x = 53,612.66

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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.