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Finding the Fourth Proportional to 9,959.67, 14,941.11 and 3,721.86

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Solution

The fourth proportional to 9,959.67, 14,941.11 and 3,721.86 is: 5,583.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.67 : 14,941.11 = 3,721.86 : x
  2. Step 2: Convert to fraction form
    9,959.67/14,941.11 = 3,721.86/x
  3. Step 3: Cross multiply
    9,959.67x = 14,941.11 × 3,721.86
  4. Step 4: Simplify right side
    9,959.67x = 55,608,719.66
  5. Step 5: Solve for x
    x = 55,608,719.66/9,959.67
  6. Step 6: Final answer
    x = 5,583.39

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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.