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Finding the Fourth Proportional to 24,451.60, 36,661.20 and 8,867.20

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Solution

The fourth proportional to 24,451.60, 36,661.20 and 8,867.20 is: 13,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,451.60 : 36,661.20 = 8,867.20 : x
  2. Step 2: Convert to fraction form
    24,451.60/36,661.20 = 8,867.20/x
  3. Step 3: Cross multiply
    24,451.60x = 36,661.20 × 8,867.20
  4. Step 4: Simplify right side
    24,451.60x = 325,082,192.64
  5. Step 5: Solve for x
    x = 325,082,192.64/24,451.60
  6. Step 6: Final answer
    x = 13,294.93

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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.