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Finding the Fourth Proportional to 24,980.57, 37,478.86 and 8,959.31

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Solution

The fourth proportional to 24,980.57, 37,478.86 and 8,959.31 is: 13,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,980.57 : 37,478.86 = 8,959.31 : x
  2. Step 2: Convert to fraction form
    24,980.57/37,478.86 = 8,959.31/x
  3. Step 3: Cross multiply
    24,980.57x = 37,478.86 × 8,959.31
  4. Step 4: Simplify right side
    24,980.57x = 335,784,680.39
  5. Step 5: Solve for x
    x = 335,784,680.39/24,980.57
  6. Step 6: Final answer
    x = 13,441.83

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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.