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Finding the Fourth Proportional to 2,882.34, 3,978.18 and 1,703.52

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Solution

The fourth proportional to 2,882.34, 3,978.18 and 1,703.52 is: 2,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.34 : 3,978.18 = 1,703.52 : x
  2. Step 2: Convert to fraction form
    2,882.34/3,978.18 = 1,703.52/x
  3. Step 3: Cross multiply
    2,882.34x = 3,978.18 × 1,703.52
  4. Step 4: Simplify right side
    2,882.34x = 6,776,909.19
  5. Step 5: Solve for x
    x = 6,776,909.19/2,882.34
  6. Step 6: Final answer
    x = 2,351.18

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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.