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Finding the Fourth Proportional to 8,775.52, 12,110.24 and 5,238.65

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Solution

The fourth proportional to 8,775.52, 12,110.24 and 5,238.65 is: 7,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.52 : 12,110.24 = 5,238.65 : x
  2. Step 2: Convert to fraction form
    8,775.52/12,110.24 = 5,238.65/x
  3. Step 3: Cross multiply
    8,775.52x = 12,110.24 × 5,238.65
  4. Step 4: Simplify right side
    8,775.52x = 63,441,282.58
  5. Step 5: Solve for x
    x = 63,441,282.58/8,775.52
  6. Step 6: Final answer
    x = 7,229.35

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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.