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Finding the Fourth Proportional to 60,799.32, 83,900.79 and 38,150.46

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Solution

The fourth proportional to 60,799.32, 83,900.79 and 38,150.46 is: 52,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,799.32 : 83,900.79 = 38,150.46 : x
  2. Step 2: Convert to fraction form
    60,799.32/83,900.79 = 38,150.46/x
  3. Step 3: Cross multiply
    60,799.32x = 83,900.79 × 38,150.46
  4. Step 4: Simplify right side
    60,799.32x = 3,200,853,732.86
  5. Step 5: Solve for x
    x = 3,200,853,732.86/60,799.32
  6. Step 6: Final answer
    x = 52,646.21

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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.