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Finding the Fourth Proportional to 7,381.08, 10,195.86 and 5,899.38

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Solution

The fourth proportional to 7,381.08, 10,195.86 and 5,899.38 is: 8,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.08 : 10,195.86 = 5,899.38 : x
  2. Step 2: Convert to fraction form
    7,381.08/10,195.86 = 5,899.38/x
  3. Step 3: Cross multiply
    7,381.08x = 10,195.86 × 5,899.38
  4. Step 4: Simplify right side
    7,381.08x = 60,149,252.57
  5. Step 5: Solve for x
    x = 60,149,252.57/7,381.08
  6. Step 6: Final answer
    x = 8,149.11

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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.