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Finding the Fourth Proportional to 7,454, 11,181 and 2,259.88

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Solution

The fourth proportional to 7,454, 11,181 and 2,259.88 is: 3,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454 : 11,181 = 2,259.88 : x
  2. Step 2: Convert to fraction form
    7,454/11,181 = 2,259.88/x
  3. Step 3: Cross multiply
    7,454x = 11,181 × 2,259.88
  4. Step 4: Simplify right side
    7,454x = 25,267,718.28
  5. Step 5: Solve for x
    x = 25,267,718.28/7,454
  6. Step 6: Final answer
    x = 3,389.82

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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.