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Finding the Fourth Proportional to 2,697.53, 4,045.82 and 749.25

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Solution

The fourth proportional to 2,697.53, 4,045.82 and 749.25 is: 1,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.53 : 4,045.82 = 749.25 : x
  2. Step 2: Convert to fraction form
    2,697.53/4,045.82 = 749.25/x
  3. Step 3: Cross multiply
    2,697.53x = 4,045.82 × 749.25
  4. Step 4: Simplify right side
    2,697.53x = 3,031,326.89
  5. Step 5: Solve for x
    x = 3,031,326.89/2,697.53
  6. Step 6: Final answer
    x = 1,123.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.