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Finding the Fourth Proportional to 2,717.75, 3,750.50 and 1,475.75

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Solution

The fourth proportional to 2,717.75, 3,750.50 and 1,475.75 is: 2,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.75 : 3,750.50 = 1,475.75 : x
  2. Step 2: Convert to fraction form
    2,717.75/3,750.50 = 1,475.75/x
  3. Step 3: Cross multiply
    2,717.75x = 3,750.50 × 1,475.75
  4. Step 4: Simplify right side
    2,717.75x = 5,534,800.38
  5. Step 5: Solve for x
    x = 5,534,800.38/2,717.75
  6. Step 6: Final answer
    x = 2,036.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.