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Finding the Fourth Proportional to 13,951.71, 20,930.13 and 4,592.25

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Solution

The fourth proportional to 13,951.71, 20,930.13 and 4,592.25 is: 6,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.71 : 20,930.13 = 4,592.25 : x
  2. Step 2: Convert to fraction form
    13,951.71/20,930.13 = 4,592.25/x
  3. Step 3: Cross multiply
    13,951.71x = 20,930.13 × 4,592.25
  4. Step 4: Simplify right side
    13,951.71x = 96,116,389.49
  5. Step 5: Solve for x
    x = 96,116,389.49/13,951.71
  6. Step 6: Final answer
    x = 6,889.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.