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Finding the Fourth Proportional to 40,379.92, 60,552.60 and 14,076.88

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Solution

The fourth proportional to 40,379.92, 60,552.60 and 14,076.88 is: 21,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.92 : 60,552.60 = 14,076.88 : x
  2. Step 2: Convert to fraction form
    40,379.92/60,552.60 = 14,076.88/x
  3. Step 3: Cross multiply
    40,379.92x = 60,552.60 × 14,076.88
  4. Step 4: Simplify right side
    40,379.92x = 852,391,683.89
  5. Step 5: Solve for x
    x = 852,391,683.89/40,379.92
  6. Step 6: Final answer
    x = 21,109.30

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1.5x scale

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.