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Finding the Fourth Proportional to 12,008.39, 16,568.75 and 7,291.76

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Solution

The fourth proportional to 12,008.39, 16,568.75 and 7,291.76 is: 10,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.39 : 16,568.75 = 7,291.76 : x
  2. Step 2: Convert to fraction form
    12,008.39/16,568.75 = 7,291.76/x
  3. Step 3: Cross multiply
    12,008.39x = 16,568.75 × 7,291.76
  4. Step 4: Simplify right side
    12,008.39x = 120,815,283.89
  5. Step 5: Solve for x
    x = 120,815,283.89/12,008.39
  6. Step 6: Final answer
    x = 10,060.91

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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.