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Finding the Fourth Proportional to 1,044.80, 1,442 and 795.72

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Solution

The fourth proportional to 1,044.80, 1,442 and 795.72 is: 1,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.80 : 1,442 = 795.72 : x
  2. Step 2: Convert to fraction form
    1,044.80/1,442 = 795.72/x
  3. Step 3: Cross multiply
    1,044.80x = 1,442 × 795.72
  4. Step 4: Simplify right side
    1,044.80x = 1,147,428.24
  5. Step 5: Solve for x
    x = 1,147,428.24/1,044.80
  6. Step 6: Final answer
    x = 1,098.23

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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.