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Finding the Fourth Proportional to 5,397.86, 8,094.67 and 2,623.72

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Solution

The fourth proportional to 5,397.86, 8,094.67 and 2,623.72 is: 3,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.86 : 8,094.67 = 2,623.72 : x
  2. Step 2: Convert to fraction form
    5,397.86/8,094.67 = 2,623.72/x
  3. Step 3: Cross multiply
    5,397.86x = 8,094.67 × 2,623.72
  4. Step 4: Simplify right side
    5,397.86x = 21,238,147.57
  5. Step 5: Solve for x
    x = 21,238,147.57/5,397.86
  6. Step 6: Final answer
    x = 3,934.55

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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.