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Finding the Fourth Proportional to 7,486.04, 11,230.84 and 2,291.88

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Solution

The fourth proportional to 7,486.04, 11,230.84 and 2,291.88 is: 3,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.04 : 11,230.84 = 2,291.88 : x
  2. Step 2: Convert to fraction form
    7,486.04/11,230.84 = 2,291.88/x
  3. Step 3: Cross multiply
    7,486.04x = 11,230.84 × 2,291.88
  4. Step 4: Simplify right side
    7,486.04x = 25,739,737.58
  5. Step 5: Solve for x
    x = 25,739,737.58/7,486.04
  6. Step 6: Final answer
    x = 3,438.36

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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.