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Finding the Fourth Proportional to 8,775.69, 13,162.12 and 3,227.66

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Solution

The fourth proportional to 8,775.69, 13,162.12 and 3,227.66 is: 4,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.69 : 13,162.12 = 3,227.66 : x
  2. Step 2: Convert to fraction form
    8,775.69/13,162.12 = 3,227.66/x
  3. Step 3: Cross multiply
    8,775.69x = 13,162.12 × 3,227.66
  4. Step 4: Simplify right side
    8,775.69x = 42,482,873.08
  5. Step 5: Solve for x
    x = 42,482,873.08/8,775.69
  6. Step 6: Final answer
    x = 4,840.97

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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.