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Finding the Fourth Proportional to 69,678.71, 96,157.13 and 37,847.62

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Solution

The fourth proportional to 69,678.71, 96,157.13 and 37,847.62 is: 52,229.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,678.71 : 96,157.13 = 37,847.62 : x
  2. Step 2: Convert to fraction form
    69,678.71/96,157.13 = 37,847.62/x
  3. Step 3: Cross multiply
    69,678.71x = 96,157.13 × 37,847.62
  4. Step 4: Simplify right side
    69,678.71x = 3,639,318,447.49
  5. Step 5: Solve for x
    x = 3,639,318,447.49/69,678.71
  6. Step 6: Final answer
    x = 52,229.99

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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.