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Finding the Fourth Proportional to 8,293.16, 12,440.65 and 2,449.77

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Solution

The fourth proportional to 8,293.16, 12,440.65 and 2,449.77 is: 3,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.16 : 12,440.65 = 2,449.77 : x
  2. Step 2: Convert to fraction form
    8,293.16/12,440.65 = 2,449.77/x
  3. Step 3: Cross multiply
    8,293.16x = 12,440.65 × 2,449.77
  4. Step 4: Simplify right side
    8,293.16x = 30,476,731.15
  5. Step 5: Solve for x
    x = 30,476,731.15/8,293.16
  6. Step 6: Final answer
    x = 3,674.92

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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.