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Finding the Fourth Proportional to 8,830.34, 12,179.31 and 8,301.52

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Solution

The fourth proportional to 8,830.34, 12,179.31 and 8,301.52 is: 11,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.34 : 12,179.31 = 8,301.52 : x
  2. Step 2: Convert to fraction form
    8,830.34/12,179.31 = 8,301.52/x
  3. Step 3: Cross multiply
    8,830.34x = 12,179.31 × 8,301.52
  4. Step 4: Simplify right side
    8,830.34x = 101,106,724.65
  5. Step 5: Solve for x
    x = 101,106,724.65/8,830.34
  6. Step 6: Final answer
    x = 11,449.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.