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Finding the Fourth Proportional to 8,759.26, 12,088.14 and 4,983.09

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Solution

The fourth proportional to 8,759.26, 12,088.14 and 4,983.09 is: 6,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.26 : 12,088.14 = 4,983.09 : x
  2. Step 2: Convert to fraction form
    8,759.26/12,088.14 = 4,983.09/x
  3. Step 3: Cross multiply
    8,759.26x = 12,088.14 × 4,983.09
  4. Step 4: Simplify right side
    8,759.26x = 60,236,289.55
  5. Step 5: Solve for x
    x = 60,236,289.55/8,759.26
  6. Step 6: Final answer
    x = 6,876.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.