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Finding the Fourth Proportional to 1,049.93, 1,448.82 and 577.83

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Solution

The fourth proportional to 1,049.93, 1,448.82 and 577.83 is: 797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.93 : 1,448.82 = 577.83 : x
  2. Step 2: Convert to fraction form
    1,049.93/1,448.82 = 577.83/x
  3. Step 3: Cross multiply
    1,049.93x = 1,448.82 × 577.83
  4. Step 4: Simplify right side
    1,049.93x = 837,177.09
  5. Step 5: Solve for x
    x = 837,177.09/1,049.93
  6. Step 6: Final answer
    x = 797.37

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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.