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Finding the Fourth Proportional to 8,801.88, 13,205.02 and 6,209.88

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Solution

The fourth proportional to 8,801.88, 13,205.02 and 6,209.88 is: 9,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.88 : 13,205.02 = 6,209.88 : x
  2. Step 2: Convert to fraction form
    8,801.88/13,205.02 = 6,209.88/x
  3. Step 3: Cross multiply
    8,801.88x = 13,205.02 × 6,209.88
  4. Step 4: Simplify right side
    8,801.88x = 82,001,589.60
  5. Step 5: Solve for x
    x = 82,001,589.60/8,801.88
  6. Step 6: Final answer
    x = 9,316.37

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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.