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Finding the Fourth Proportional to 60,053.86, 90,079.02 and 15,680.61

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Solution

The fourth proportional to 60,053.86, 90,079.02 and 15,680.61 is: 23,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,053.86 : 90,079.02 = 15,680.61 : x
  2. Step 2: Convert to fraction form
    60,053.86/90,079.02 = 15,680.61/x
  3. Step 3: Cross multiply
    60,053.86x = 90,079.02 × 15,680.61
  4. Step 4: Simplify right side
    60,053.86x = 1,412,494,235.15
  5. Step 5: Solve for x
    x = 1,412,494,235.15/60,053.86
  6. Step 6: Final answer
    x = 23,520.46

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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.