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Finding the Fourth Proportional to 14,255.00, 19,672.19 and 7,882.11

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Solution

The fourth proportional to 14,255.00, 19,672.19 and 7,882.11 is: 10,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.00 : 19,672.19 = 7,882.11 : x
  2. Step 2: Convert to fraction form
    14,255.00/19,672.19 = 7,882.11/x
  3. Step 3: Cross multiply
    14,255.00x = 19,672.19 × 7,882.11
  4. Step 4: Simplify right side
    14,255.00x = 155,058,377.84
  5. Step 5: Solve for x
    x = 155,058,377.84/14,255.00
  6. Step 6: Final answer
    x = 10,877.47

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Why These Related Problems?

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