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Finding the Fourth Proportional to 62,799.48, 86,697 and 48,427.92

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Solution

The fourth proportional to 62,799.48, 86,697 and 48,427.92 is: 66,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,799.48 : 86,697 = 48,427.92 : x
  2. Step 2: Convert to fraction form
    62,799.48/86,697 = 48,427.92/x
  3. Step 3: Cross multiply
    62,799.48x = 86,697 × 48,427.92
  4. Step 4: Simplify right side
    62,799.48x = 4,198,555,380.24
  5. Step 5: Solve for x
    x = 4,198,555,380.24/62,799.48
  6. Step 6: Final answer
    x = 66,856.53

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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.