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Finding the Fourth Proportional to 8,355.92, 11,525.63 and 5,375.52

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Solution

The fourth proportional to 8,355.92, 11,525.63 and 5,375.52 is: 7,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.92 : 11,525.63 = 5,375.52 : x
  2. Step 2: Convert to fraction form
    8,355.92/11,525.63 = 5,375.52/x
  3. Step 3: Cross multiply
    8,355.92x = 11,525.63 × 5,375.52
  4. Step 4: Simplify right side
    8,355.92x = 61,956,227.70
  5. Step 5: Solve for x
    x = 61,956,227.70/8,355.92
  6. Step 6: Final answer
    x = 7,414.66

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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.