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Finding the Fourth Proportional to 1,093.80, 1,510.14 and 844.68

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Solution

The fourth proportional to 1,093.80, 1,510.14 and 844.68 is: 1,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.80 : 1,510.14 = 844.68 : x
  2. Step 2: Convert to fraction form
    1,093.80/1,510.14 = 844.68/x
  3. Step 3: Cross multiply
    1,093.80x = 1,510.14 × 844.68
  4. Step 4: Simplify right side
    1,093.80x = 1,275,585.06
  5. Step 5: Solve for x
    x = 1,275,585.06/1,093.80
  6. Step 6: Final answer
    x = 1,166.20

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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.