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Finding the Fourth Proportional to 8,754.88, 12,057.60 and 7,575.52

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Solution

The fourth proportional to 8,754.88, 12,057.60 and 7,575.52 is: 10,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.88 : 12,057.60 = 7,575.52 : x
  2. Step 2: Convert to fraction form
    8,754.88/12,057.60 = 7,575.52/x
  3. Step 3: Cross multiply
    8,754.88x = 12,057.60 × 7,575.52
  4. Step 4: Simplify right side
    8,754.88x = 91,342,589.95
  5. Step 5: Solve for x
    x = 91,342,589.95/8,754.88
  6. Step 6: Final answer
    x = 10,433.33

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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.