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Finding the Fourth Proportional to 8,789.88, 13,184.40 and 6,329.08

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Solution

The fourth proportional to 8,789.88, 13,184.40 and 6,329.08 is: 9,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.88 : 13,184.40 = 6,329.08 : x
  2. Step 2: Convert to fraction form
    8,789.88/13,184.40 = 6,329.08/x
  3. Step 3: Cross multiply
    8,789.88x = 13,184.40 × 6,329.08
  4. Step 4: Simplify right side
    8,789.88x = 83,445,122.35
  5. Step 5: Solve for x
    x = 83,445,122.35/8,789.88
  6. Step 6: Final answer
    x = 9,493.32

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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.