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Finding the Fourth Proportional to 60,800.38, 91,209.71 and 21,350.55

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Solution

The fourth proportional to 60,800.38, 91,209.71 and 21,350.55 is: 32,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,800.38 : 91,209.71 = 21,350.55 : x
  2. Step 2: Convert to fraction form
    60,800.38/91,209.71 = 21,350.55/x
  3. Step 3: Cross multiply
    60,800.38x = 91,209.71 × 21,350.55
  4. Step 4: Simplify right side
    60,800.38x = 1,947,377,473.84
  5. Step 5: Solve for x
    x = 1,947,377,473.84/60,800.38
  6. Step 6: Final answer
    x = 32,029.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.