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Finding the Fourth Proportional to 12,041.88, 16,595.28 and 8,678.88

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Solution

The fourth proportional to 12,041.88, 16,595.28 and 8,678.88 is: 11,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.88 : 16,595.28 = 8,678.88 : x
  2. Step 2: Convert to fraction form
    12,041.88/16,595.28 = 8,678.88/x
  3. Step 3: Cross multiply
    12,041.88x = 16,595.28 × 8,678.88
  4. Step 4: Simplify right side
    12,041.88x = 144,028,443.69
  5. Step 5: Solve for x
    x = 144,028,443.69/12,041.88
  6. Step 6: Final answer
    x = 11,960.63

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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.