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Finding the Fourth Proportional to 2,505.58, 3,757.01 and 750.34

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Solution

The fourth proportional to 2,505.58, 3,757.01 and 750.34 is: 1,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.58 : 3,757.01 = 750.34 : x
  2. Step 2: Convert to fraction form
    2,505.58/3,757.01 = 750.34/x
  3. Step 3: Cross multiply
    2,505.58x = 3,757.01 × 750.34
  4. Step 4: Simplify right side
    2,505.58x = 2,819,034.88
  5. Step 5: Solve for x
    x = 2,819,034.88/2,505.58
  6. Step 6: Final answer
    x = 1,125.10

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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.