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Finding the Fourth Proportional to 60,161.76, 83,060.88 and 38,660.17

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Solution

The fourth proportional to 60,161.76, 83,060.88 and 38,660.17 is: 53,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,161.76 : 83,060.88 = 38,660.17 : x
  2. Step 2: Convert to fraction form
    60,161.76/83,060.88 = 38,660.17/x
  3. Step 3: Cross multiply
    60,161.76x = 83,060.88 × 38,660.17
  4. Step 4: Simplify right side
    60,161.76x = 3,211,147,741.15
  5. Step 5: Solve for x
    x = 3,211,147,741.15/60,161.76
  6. Step 6: Final answer
    x = 53,375.23

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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.