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Finding the Fourth Proportional to 1,456.83, 2,010.42 and 793.71

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Solution

The fourth proportional to 1,456.83, 2,010.42 and 793.71 is: 1,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.83 : 2,010.42 = 793.71 : x
  2. Step 2: Convert to fraction form
    1,456.83/2,010.42 = 793.71/x
  3. Step 3: Cross multiply
    1,456.83x = 2,010.42 × 793.71
  4. Step 4: Simplify right side
    1,456.83x = 1,595,690.46
  5. Step 5: Solve for x
    x = 1,595,690.46/1,456.83
  6. Step 6: Final answer
    x = 1,095.32

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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.