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Finding the Fourth Proportional to 12,076.88, 16,668.06 and 7,300.76

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Solution

The fourth proportional to 12,076.88, 16,668.06 and 7,300.76 is: 10,076.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.88 : 16,668.06 = 7,300.76 : x
  2. Step 2: Convert to fraction form
    12,076.88/16,668.06 = 7,300.76/x
  3. Step 3: Cross multiply
    12,076.88x = 16,668.06 × 7,300.76
  4. Step 4: Simplify right side
    12,076.88x = 121,689,505.73
  5. Step 5: Solve for x
    x = 121,689,505.73/12,076.88
  6. Step 6: Final answer
    x = 10,076.24

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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.