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Finding the Fourth Proportional to 2,718, 3,750.84 and 1,476

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Solution

The fourth proportional to 2,718, 3,750.84 and 1,476 is: 2,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718 : 3,750.84 = 1,476 : x
  2. Step 2: Convert to fraction form
    2,718/3,750.84 = 1,476/x
  3. Step 3: Cross multiply
    2,718x = 3,750.84 × 1,476
  4. Step 4: Simplify right side
    2,718x = 5,536,239.84
  5. Step 5: Solve for x
    x = 5,536,239.84/2,718
  6. Step 6: Final answer
    x = 2,036.88

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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.