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Finding the Fourth Proportional to 8,854.88, 13,282.31 and 2,698.88

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Solution

The fourth proportional to 8,854.88, 13,282.31 and 2,698.88 is: 4,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.88 : 13,282.31 = 2,698.88 : x
  2. Step 2: Convert to fraction form
    8,854.88/13,282.31 = 2,698.88/x
  3. Step 3: Cross multiply
    8,854.88x = 13,282.31 × 2,698.88
  4. Step 4: Simplify right side
    8,854.88x = 35,847,301.15
  5. Step 5: Solve for x
    x = 35,847,301.15/8,854.88
  6. Step 6: Final answer
    x = 4,048.31

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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.