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Finding the Fourth Proportional to 7,339.98, 10,115.92 and 5,347.38

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Solution

The fourth proportional to 7,339.98, 10,115.92 and 5,347.38 is: 7,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.98 : 10,115.92 = 5,347.38 : x
  2. Step 2: Convert to fraction form
    7,339.98/10,115.92 = 5,347.38/x
  3. Step 3: Cross multiply
    7,339.98x = 10,115.92 × 5,347.38
  4. Step 4: Simplify right side
    7,339.98x = 54,093,668.29
  5. Step 5: Solve for x
    x = 54,093,668.29/7,339.98
  6. Step 6: Final answer
    x = 7,369.73

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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.