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Finding the Fourth Proportional to 2,717.82, 3,750.58 and 1,538.86

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Solution

The fourth proportional to 2,717.82, 3,750.58 and 1,538.86 is: 2,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.82 : 3,750.58 = 1,538.86 : x
  2. Step 2: Convert to fraction form
    2,717.82/3,750.58 = 1,538.86/x
  3. Step 3: Cross multiply
    2,717.82x = 3,750.58 × 1,538.86
  4. Step 4: Simplify right side
    2,717.82x = 5,771,617.54
  5. Step 5: Solve for x
    x = 5,771,617.54/2,717.82
  6. Step 6: Final answer
    x = 2,123.62

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