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Finding the Fourth Proportional to 1,034.17, 1,552.26 and 841.39

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Solution

The fourth proportional to 1,034.17, 1,552.26 and 841.39 is: 1,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.17 : 1,552.26 = 841.39 : x
  2. Step 2: Convert to fraction form
    1,034.17/1,552.26 = 841.39/x
  3. Step 3: Cross multiply
    1,034.17x = 1,552.26 × 841.39
  4. Step 4: Simplify right side
    1,034.17x = 1,306,055.32
  5. Step 5: Solve for x
    x = 1,306,055.32/1,034.17
  6. Step 6: Final answer
    x = 1,262.91

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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.