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Finding the Fourth Proportional to 62,676.72, 86,487.60 and 38,794.56

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Solution

The fourth proportional to 62,676.72, 86,487.60 and 38,794.56 is: 53,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,676.72 : 86,487.60 = 38,794.56 : x
  2. Step 2: Convert to fraction form
    62,676.72/86,487.60 = 38,794.56/x
  3. Step 3: Cross multiply
    62,676.72x = 86,487.60 × 38,794.56
  4. Step 4: Simplify right side
    62,676.72x = 3,355,248,387.46
  5. Step 5: Solve for x
    x = 3,355,248,387.46/62,676.72
  6. Step 6: Final answer
    x = 53,532.61

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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.