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Finding the Fourth Proportional to 9,959.22, 14,938.70 and 3,389.99

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Solution

The fourth proportional to 9,959.22, 14,938.70 and 3,389.99 is: 5,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.22 : 14,938.70 = 3,389.99 : x
  2. Step 2: Convert to fraction form
    9,959.22/14,938.70 = 3,389.99/x
  3. Step 3: Cross multiply
    9,959.22x = 14,938.70 × 3,389.99
  4. Step 4: Simplify right side
    9,959.22x = 50,641,951.97
  5. Step 5: Solve for x
    x = 50,641,951.97/9,959.22
  6. Step 6: Final answer
    x = 5,084.93

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Why These Related Problems?

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