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Finding the Fourth Proportional to 41,616.50, 62,430.96 and 15,319.22

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Solution

The fourth proportional to 41,616.50, 62,430.96 and 15,319.22 is: 22,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,616.50 : 62,430.96 = 15,319.22 : x
  2. Step 2: Convert to fraction form
    41,616.50/62,430.96 = 15,319.22/x
  3. Step 3: Cross multiply
    41,616.50x = 62,430.96 × 15,319.22
  4. Step 4: Simplify right side
    41,616.50x = 956,393,611.05
  5. Step 5: Solve for x
    x = 956,393,611.05/41,616.50
  6. Step 6: Final answer
    x = 22,981.12

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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.