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Finding the Fourth Proportional to 943.58, 1,301.12 and 794.18

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Solution

The fourth proportional to 943.58, 1,301.12 and 794.18 is: 1,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.58 : 1,301.12 = 794.18 : x
  2. Step 2: Convert to fraction form
    943.58/1,301.12 = 794.18/x
  3. Step 3: Cross multiply
    943.58x = 1,301.12 × 794.18
  4. Step 4: Simplify right side
    943.58x = 1,033,323.48
  5. Step 5: Solve for x
    x = 1,033,323.48/943.58
  6. Step 6: Final answer
    x = 1,095.11

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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.