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Finding the Fourth Proportional to 1,414.07, 1,951.40 and 793.07

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Solution

The fourth proportional to 1,414.07, 1,951.40 and 793.07 is: 1,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.07 : 1,951.40 = 793.07 : x
  2. Step 2: Convert to fraction form
    1,414.07/1,951.40 = 793.07/x
  3. Step 3: Cross multiply
    1,414.07x = 1,951.40 × 793.07
  4. Step 4: Simplify right side
    1,414.07x = 1,547,583.08
  5. Step 5: Solve for x
    x = 1,547,583.08/1,414.07
  6. Step 6: Final answer
    x = 1,094.42

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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.