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Finding the Fourth Proportional to 3,344.78, 5,017.10 and 1,004.79

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Solution

The fourth proportional to 3,344.78, 5,017.10 and 1,004.79 is: 1,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.78 : 5,017.10 = 1,004.79 : x
  2. Step 2: Convert to fraction form
    3,344.78/5,017.10 = 1,004.79/x
  3. Step 3: Cross multiply
    3,344.78x = 5,017.10 × 1,004.79
  4. Step 4: Simplify right side
    3,344.78x = 5,041,126.89
  5. Step 5: Solve for x
    x = 5,041,126.89/3,344.78
  6. Step 6: Final answer
    x = 1,507.16

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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.