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Finding the Fourth Proportional to 8,759.52, 13,120.02 and 6,299.10

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Solution

The fourth proportional to 8,759.52, 13,120.02 and 6,299.10 is: 9,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.52 : 13,120.02 = 6,299.10 : x
  2. Step 2: Convert to fraction form
    8,759.52/13,120.02 = 6,299.10/x
  3. Step 3: Cross multiply
    8,759.52x = 13,120.02 × 6,299.10
  4. Step 4: Simplify right side
    8,759.52x = 82,644,317.98
  5. Step 5: Solve for x
    x = 82,644,317.98/8,759.52
  6. Step 6: Final answer
    x = 9,434.80

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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.