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Finding the Fourth Proportional to 2,371.04, 3,556.72 and 832.16

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Solution

The fourth proportional to 2,371.04, 3,556.72 and 832.16 is: 1,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.04 : 3,556.72 = 832.16 : x
  2. Step 2: Convert to fraction form
    2,371.04/3,556.72 = 832.16/x
  3. Step 3: Cross multiply
    2,371.04x = 3,556.72 × 832.16
  4. Step 4: Simplify right side
    2,371.04x = 2,959,760.12
  5. Step 5: Solve for x
    x = 2,959,760.12/2,371.04
  6. Step 6: Final answer
    x = 1,248.30

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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.