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Finding the Fourth Proportional to 62,255.96, 85,909.72 and 35,394.76

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Solution

The fourth proportional to 62,255.96, 85,909.72 and 35,394.76 is: 48,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,255.96 : 85,909.72 = 35,394.76 : x
  2. Step 2: Convert to fraction form
    62,255.96/85,909.72 = 35,394.76/x
  3. Step 3: Cross multiply
    62,255.96x = 85,909.72 × 35,394.76
  4. Step 4: Simplify right side
    62,255.96x = 3,040,753,921.07
  5. Step 5: Solve for x
    x = 3,040,753,921.07/62,255.96
  6. Step 6: Final answer
    x = 48,842.78

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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.