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Finding the Fourth Proportional to 23,997.60, 36,007.20 and 10,843.20

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Solution

The fourth proportional to 23,997.60, 36,007.20 and 10,843.20 is: 16,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,997.60 : 36,007.20 = 10,843.20 : x
  2. Step 2: Convert to fraction form
    23,997.60/36,007.20 = 10,843.20/x
  3. Step 3: Cross multiply
    23,997.60x = 36,007.20 × 10,843.20
  4. Step 4: Simplify right side
    23,997.60x = 390,433,271.04
  5. Step 5: Solve for x
    x = 390,433,271.04/23,997.60
  6. Step 6: Final answer
    x = 16,269.68

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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.