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Finding the Fourth Proportional to 2,718.38, 3,751.37 and 1,476.38

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Solution

The fourth proportional to 2,718.38, 3,751.37 and 1,476.38 is: 2,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.38 : 3,751.37 = 1,476.38 : x
  2. Step 2: Convert to fraction form
    2,718.38/3,751.37 = 1,476.38/x
  3. Step 3: Cross multiply
    2,718.38x = 3,751.37 × 1,476.38
  4. Step 4: Simplify right side
    2,718.38x = 5,538,421.50
  5. Step 5: Solve for x
    x = 5,538,421.50/2,718.38
  6. Step 6: Final answer
    x = 2,037.40

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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.