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Finding the Fourth Proportional to 60,321.34, 90,489.66 and 22,894.48

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Solution

The fourth proportional to 60,321.34, 90,489.66 and 22,894.48 is: 34,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,321.34 : 90,489.66 = 22,894.48 : x
  2. Step 2: Convert to fraction form
    60,321.34/90,489.66 = 22,894.48/x
  3. Step 3: Cross multiply
    60,321.34x = 90,489.66 × 22,894.48
  4. Step 4: Simplify right side
    60,321.34x = 2,071,713,711.08
  5. Step 5: Solve for x
    x = 2,071,713,711.08/60,321.34
  6. Step 6: Final answer
    x = 34,344.62

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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.