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Finding the Fourth Proportional to 1,034.30, 1,552.30 and 1,026.20

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Solution

The fourth proportional to 1,034.30, 1,552.30 and 1,026.20 is: 1,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.30 : 1,552.30 = 1,026.20 : x
  2. Step 2: Convert to fraction form
    1,034.30/1,552.30 = 1,026.20/x
  3. Step 3: Cross multiply
    1,034.30x = 1,552.30 × 1,026.20
  4. Step 4: Simplify right side
    1,034.30x = 1,592,970.26
  5. Step 5: Solve for x
    x = 1,592,970.26/1,034.30
  6. Step 6: Final answer
    x = 1,540.14

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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.