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Finding the Fourth Proportional to 7,344.70, 11,017.68 and 2,347.79

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Solution

The fourth proportional to 7,344.70, 11,017.68 and 2,347.79 is: 3,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.70 : 11,017.68 = 2,347.79 : x
  2. Step 2: Convert to fraction form
    7,344.70/11,017.68 = 2,347.79/x
  3. Step 3: Cross multiply
    7,344.70x = 11,017.68 × 2,347.79
  4. Step 4: Simplify right side
    7,344.70x = 25,867,198.93
  5. Step 5: Solve for x
    x = 25,867,198.93/7,344.70
  6. Step 6: Final answer
    x = 3,521.89

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1.5x scale

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.