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Finding the Fourth Proportional to 2,311.92, 3,467.01 and 751.52

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Solution

The fourth proportional to 2,311.92, 3,467.01 and 751.52 is: 1,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.92 : 3,467.01 = 751.52 : x
  2. Step 2: Convert to fraction form
    2,311.92/3,467.01 = 751.52/x
  3. Step 3: Cross multiply
    2,311.92x = 3,467.01 × 751.52
  4. Step 4: Simplify right side
    2,311.92x = 2,605,536.02
  5. Step 5: Solve for x
    x = 2,605,536.02/2,311.92
  6. Step 6: Final answer
    x = 1,127.00

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1.5x scale

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.