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Finding the Fourth Proportional to 60,311.62, 90,455.12 and 22,858.78

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Solution

The fourth proportional to 60,311.62, 90,455.12 and 22,858.78 is: 34,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,311.62 : 90,455.12 = 22,858.78 : x
  2. Step 2: Convert to fraction form
    60,311.62/90,455.12 = 22,858.78/x
  3. Step 3: Cross multiply
    60,311.62x = 90,455.12 × 22,858.78
  4. Step 4: Simplify right side
    60,311.62x = 2,067,693,687.95
  5. Step 5: Solve for x
    x = 2,067,693,687.95/60,311.62
  6. Step 6: Final answer
    x = 34,283.50

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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.