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Finding the Fourth Proportional to 2,034.38, 3,053.20 and 802.66

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Solution

The fourth proportional to 2,034.38, 3,053.20 and 802.66 is: 1,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034.38 : 3,053.20 = 802.66 : x
  2. Step 2: Convert to fraction form
    2,034.38/3,053.20 = 802.66/x
  3. Step 3: Cross multiply
    2,034.38x = 3,053.20 × 802.66
  4. Step 4: Simplify right side
    2,034.38x = 2,450,679.67
  5. Step 5: Solve for x
    x = 2,450,679.67/2,034.38
  6. Step 6: Final answer
    x = 1,204.63

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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.