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Finding the Fourth Proportional to 3,934.56, 5,904 and 1,471.08

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Solution

The fourth proportional to 3,934.56, 5,904 and 1,471.08 is: 2,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.56 : 5,904 = 1,471.08 : x
  2. Step 2: Convert to fraction form
    3,934.56/5,904 = 1,471.08/x
  3. Step 3: Cross multiply
    3,934.56x = 5,904 × 1,471.08
  4. Step 4: Simplify right side
    3,934.56x = 8,685,256.32
  5. Step 5: Solve for x
    x = 8,685,256.32/3,934.56
  6. Step 6: Final answer
    x = 2,207.43

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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.