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Finding the Fourth Proportional to 2,507.46, 3,760.01 and 751.79

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Solution

The fourth proportional to 2,507.46, 3,760.01 and 751.79 is: 1,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.46 : 3,760.01 = 751.79 : x
  2. Step 2: Convert to fraction form
    2,507.46/3,760.01 = 751.79/x
  3. Step 3: Cross multiply
    2,507.46x = 3,760.01 × 751.79
  4. Step 4: Simplify right side
    2,507.46x = 2,826,715.36
  5. Step 5: Solve for x
    x = 2,826,715.36/2,507.46
  6. Step 6: Final answer
    x = 1,127.32

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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.