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Finding the Fourth Proportional to 2,311.99, 3,467.55 and 752.00

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Solution

The fourth proportional to 2,311.99, 3,467.55 and 752.00 is: 1,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.99 : 3,467.55 = 752.00 : x
  2. Step 2: Convert to fraction form
    2,311.99/3,467.55 = 752.00/x
  3. Step 3: Cross multiply
    2,311.99x = 3,467.55 × 752.00
  4. Step 4: Simplify right side
    2,311.99x = 2,607,585.17
  5. Step 5: Solve for x
    x = 2,607,585.17/2,311.99
  6. Step 6: Final answer
    x = 1,127.85

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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.