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Finding the Fourth Proportional to 60,470.85, 90,706.46 and 18,351.27

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Solution

The fourth proportional to 60,470.85, 90,706.46 and 18,351.27 is: 27,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,470.85 : 90,706.46 = 18,351.27 : x
  2. Step 2: Convert to fraction form
    60,470.85/90,706.46 = 18,351.27/x
  3. Step 3: Cross multiply
    60,470.85x = 90,706.46 × 18,351.27
  4. Step 4: Simplify right side
    60,470.85x = 1,664,578,738.20
  5. Step 5: Solve for x
    x = 1,664,578,738.20/60,470.85
  6. Step 6: Final answer
    x = 27,526.96

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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.