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Finding the Fourth Proportional to 70,675.38, 97,507.17 and 43,789.86

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Solution

The fourth proportional to 70,675.38, 97,507.17 and 43,789.86 is: 60,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,675.38 : 97,507.17 = 43,789.86 : x
  2. Step 2: Convert to fraction form
    70,675.38/97,507.17 = 43,789.86/x
  3. Step 3: Cross multiply
    70,675.38x = 97,507.17 × 43,789.86
  4. Step 4: Simplify right side
    70,675.38x = 4,269,825,323.30
  5. Step 5: Solve for x
    x = 4,269,825,323.30/70,675.38
  6. Step 6: Final answer
    x = 60,414.61

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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.