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Finding the Fourth Proportional to 8,776.22, 13,162.90 and 2,932.82

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Solution

The fourth proportional to 8,776.22, 13,162.90 and 2,932.82 is: 4,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.22 : 13,162.90 = 2,932.82 : x
  2. Step 2: Convert to fraction form
    8,776.22/13,162.90 = 2,932.82/x
  3. Step 3: Cross multiply
    8,776.22x = 13,162.90 × 2,932.82
  4. Step 4: Simplify right side
    8,776.22x = 38,604,416.38
  5. Step 5: Solve for x
    x = 38,604,416.38/8,776.22
  6. Step 6: Final answer
    x = 4,398.75

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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.