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Finding the Fourth Proportional to 4,337.04, 5,983.56 and 3,918

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Solution

The fourth proportional to 4,337.04, 5,983.56 and 3,918 is: 5,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,337.04 : 5,983.56 = 3,918 : x
  2. Step 2: Convert to fraction form
    4,337.04/5,983.56 = 3,918/x
  3. Step 3: Cross multiply
    4,337.04x = 5,983.56 × 3,918
  4. Step 4: Simplify right side
    4,337.04x = 23,443,588.08
  5. Step 5: Solve for x
    x = 23,443,588.08/4,337.04
  6. Step 6: Final answer
    x = 5,405.44

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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.