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Finding the Fourth Proportional to 60,315.99, 90,474.57 and 22,866

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Solution

The fourth proportional to 60,315.99, 90,474.57 and 22,866 is: 34,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,315.99 : 90,474.57 = 22,866 : x
  2. Step 2: Convert to fraction form
    60,315.99/90,474.57 = 22,866/x
  3. Step 3: Cross multiply
    60,315.99x = 90,474.57 × 22,866
  4. Step 4: Simplify right side
    60,315.99x = 2,068,791,517.62
  5. Step 5: Solve for x
    x = 2,068,791,517.62/60,315.99
  6. Step 6: Final answer
    x = 34,299.22

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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.