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Finding the Fourth Proportional to 2,476.38, 3,714.57 and 937.38

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Solution

The fourth proportional to 2,476.38, 3,714.57 and 937.38 is: 1,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.38 : 3,714.57 = 937.38 : x
  2. Step 2: Convert to fraction form
    2,476.38/3,714.57 = 937.38/x
  3. Step 3: Cross multiply
    2,476.38x = 3,714.57 × 937.38
  4. Step 4: Simplify right side
    2,476.38x = 3,481,963.63
  5. Step 5: Solve for x
    x = 3,481,963.63/2,476.38
  6. Step 6: Final answer
    x = 1,406.07

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Why These Related Problems?

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