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Finding the Fourth Proportional to 9,273, 13,911.26 and 3,726.78

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Solution

The fourth proportional to 9,273, 13,911.26 and 3,726.78 is: 5,590.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273 : 13,911.26 = 3,726.78 : x
  2. Step 2: Convert to fraction form
    9,273/13,911.26 = 3,726.78/x
  3. Step 3: Cross multiply
    9,273x = 13,911.26 × 3,726.78
  4. Step 4: Simplify right side
    9,273x = 51,844,186.91
  5. Step 5: Solve for x
    x = 51,844,186.91/9,273
  6. Step 6: Final answer
    x = 5,590.88

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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.