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Finding the Fourth Proportional to 2,517.44, 3,472.56 and 1,856

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Solution

The fourth proportional to 2,517.44, 3,472.56 and 1,856 is: 2,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.44 : 3,472.56 = 1,856 : x
  2. Step 2: Convert to fraction form
    2,517.44/3,472.56 = 1,856/x
  3. Step 3: Cross multiply
    2,517.44x = 3,472.56 × 1,856
  4. Step 4: Simplify right side
    2,517.44x = 6,445,071.36
  5. Step 5: Solve for x
    x = 6,445,071.36/2,517.44
  6. Step 6: Final answer
    x = 2,560.17

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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.