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Finding the Fourth Proportional to 9,959.85, 13,740.03 and 5,974.11

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Solution

The fourth proportional to 9,959.85, 13,740.03 and 5,974.11 is: 8,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.85 : 13,740.03 = 5,974.11 : x
  2. Step 2: Convert to fraction form
    9,959.85/13,740.03 = 5,974.11/x
  3. Step 3: Cross multiply
    9,959.85x = 13,740.03 × 5,974.11
  4. Step 4: Simplify right side
    9,959.85x = 82,084,450.62
  5. Step 5: Solve for x
    x = 82,084,450.62/9,959.85
  6. Step 6: Final answer
    x = 8,241.53

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1.5x scale

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.