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Finding the Fourth Proportional to 60,505.80, 90,758.70 and 32,512.20

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Solution

The fourth proportional to 60,505.80, 90,758.70 and 32,512.20 is: 48,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,505.80 : 90,758.70 = 32,512.20 : x
  2. Step 2: Convert to fraction form
    60,505.80/90,758.70 = 32,512.20/x
  3. Step 3: Cross multiply
    60,505.80x = 90,758.70 × 32,512.20
  4. Step 4: Simplify right side
    60,505.80x = 2,950,765,006.14
  5. Step 5: Solve for x
    x = 2,950,765,006.14/60,505.80
  6. Step 6: Final answer
    x = 48,768.30

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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.