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Finding the Fourth Proportional to 1,892.95, 2,612.26 and 1,053.73

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Solution

The fourth proportional to 1,892.95, 2,612.26 and 1,053.73 is: 1,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.95 : 2,612.26 = 1,053.73 : x
  2. Step 2: Convert to fraction form
    1,892.95/2,612.26 = 1,053.73/x
  3. Step 3: Cross multiply
    1,892.95x = 2,612.26 × 1,053.73
  4. Step 4: Simplify right side
    1,892.95x = 2,752,616.73
  5. Step 5: Solve for x
    x = 2,752,616.73/1,892.95
  6. Step 6: Final answer
    x = 1,454.14

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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.