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Finding the Fourth Proportional to 24,009.60, 36,025.20 and 10,855.20

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Solution

The fourth proportional to 24,009.60, 36,025.20 and 10,855.20 is: 16,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,009.60 : 36,025.20 = 10,855.20 : x
  2. Step 2: Convert to fraction form
    24,009.60/36,025.20 = 10,855.20/x
  3. Step 3: Cross multiply
    24,009.60x = 36,025.20 × 10,855.20
  4. Step 4: Simplify right side
    24,009.60x = 391,060,751.04
  5. Step 5: Solve for x
    x = 391,060,751.04/24,009.60
  6. Step 6: Final answer
    x = 16,287.68

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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.