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Finding the Fourth Proportional to 3,017.55, 4,523.10 and 1,262.11

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Solution

The fourth proportional to 3,017.55, 4,523.10 and 1,262.11 is: 1,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.55 : 4,523.10 = 1,262.11 : x
  2. Step 2: Convert to fraction form
    3,017.55/4,523.10 = 1,262.11/x
  3. Step 3: Cross multiply
    3,017.55x = 4,523.10 × 1,262.11
  4. Step 4: Simplify right side
    3,017.55x = 5,708,649.74
  5. Step 5: Solve for x
    x = 5,708,649.74/3,017.55
  6. Step 6: Final answer
    x = 1,891.82

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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.