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Finding the Fourth Proportional to 8,695.89, 13,046.13 and 2,455.92

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Solution

The fourth proportional to 8,695.89, 13,046.13 and 2,455.92 is: 3,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.89 : 13,046.13 = 2,455.92 : x
  2. Step 2: Convert to fraction form
    8,695.89/13,046.13 = 2,455.92/x
  3. Step 3: Cross multiply
    8,695.89x = 13,046.13 × 2,455.92
  4. Step 4: Simplify right side
    8,695.89x = 32,040,251.59
  5. Step 5: Solve for x
    x = 32,040,251.59/8,695.89
  6. Step 6: Final answer
    x = 3,684.53

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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.