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Finding the Fourth Proportional to 8,763.12, 13,144.68 and 5,062.98

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Solution

The fourth proportional to 8,763.12, 13,144.68 and 5,062.98 is: 7,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.12 : 13,144.68 = 5,062.98 : x
  2. Step 2: Convert to fraction form
    8,763.12/13,144.68 = 5,062.98/x
  3. Step 3: Cross multiply
    8,763.12x = 13,144.68 × 5,062.98
  4. Step 4: Simplify right side
    8,763.12x = 66,551,251.95
  5. Step 5: Solve for x
    x = 66,551,251.95/8,763.12
  6. Step 6: Final answer
    x = 7,594.47

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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.