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Finding the Fourth Proportional to 60,753.90, 91,121.60 and 23,331.59

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Solution

The fourth proportional to 60,753.90, 91,121.60 and 23,331.59 is: 34,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,753.90 : 91,121.60 = 23,331.59 : x
  2. Step 2: Convert to fraction form
    60,753.90/91,121.60 = 23,331.59/x
  3. Step 3: Cross multiply
    60,753.90x = 91,121.60 × 23,331.59
  4. Step 4: Simplify right side
    60,753.90x = 2,126,011,811.34
  5. Step 5: Solve for x
    x = 2,126,011,811.34/60,753.90
  6. Step 6: Final answer
    x = 34,993.83

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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.