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Finding the Fourth Proportional to 8,801.88, 13,200.96 and 5,245.58

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Solution

The fourth proportional to 8,801.88, 13,200.96 and 5,245.58 is: 7,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.88 : 13,200.96 = 5,245.58 : x
  2. Step 2: Convert to fraction form
    8,801.88/13,200.96 = 5,245.58/x
  3. Step 3: Cross multiply
    8,801.88x = 13,200.96 × 5,245.58
  4. Step 4: Simplify right side
    8,801.88x = 69,246,691.76
  5. Step 5: Solve for x
    x = 69,246,691.76/8,801.88
  6. Step 6: Final answer
    x = 7,867.26

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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.