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Finding the Fourth Proportional to 1,354.73, 1,869.20 and 795.23

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Solution

The fourth proportional to 1,354.73, 1,869.20 and 795.23 is: 1,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.73 : 1,869.20 = 795.23 : x
  2. Step 2: Convert to fraction form
    1,354.73/1,869.20 = 795.23/x
  3. Step 3: Cross multiply
    1,354.73x = 1,869.20 × 795.23
  4. Step 4: Simplify right side
    1,354.73x = 1,486,443.92
  5. Step 5: Solve for x
    x = 1,486,443.92/1,354.73
  6. Step 6: Final answer
    x = 1,097.23

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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.