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Finding the Fourth Proportional to 40,223.60, 60,324.60 and 16,845.20

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Solution

The fourth proportional to 40,223.60, 60,324.60 and 16,845.20 is: 25,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223.60 : 60,324.60 = 16,845.20 : x
  2. Step 2: Convert to fraction form
    40,223.60/60,324.60 = 16,845.20/x
  3. Step 3: Cross multiply
    40,223.60x = 60,324.60 × 16,845.20
  4. Step 4: Simplify right side
    40,223.60x = 1,016,179,951.92
  5. Step 5: Solve for x
    x = 1,016,179,951.92/40,223.60
  6. Step 6: Final answer
    x = 25,263.28

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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.