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Finding the Fourth Proportional to 2,034.52, 3,051.30 and 938.20

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Solution

The fourth proportional to 2,034.52, 3,051.30 and 938.20 is: 1,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034.52 : 3,051.30 = 938.20 : x
  2. Step 2: Convert to fraction form
    2,034.52/3,051.30 = 938.20/x
  3. Step 3: Cross multiply
    2,034.52x = 3,051.30 × 938.20
  4. Step 4: Simplify right side
    2,034.52x = 2,862,729.66
  5. Step 5: Solve for x
    x = 2,862,729.66/2,034.52
  6. Step 6: Final answer
    x = 1,407.08

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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.