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Finding the Fourth Proportional to 795.64, 1,097.52 and 559.48

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Solution

The fourth proportional to 795.64, 1,097.52 and 559.48 is: 771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.64 : 1,097.52 = 559.48 : x
  2. Step 2: Convert to fraction form
    795.64/1,097.52 = 559.48/x
  3. Step 3: Cross multiply
    795.64x = 1,097.52 × 559.48
  4. Step 4: Simplify right side
    795.64x = 614,040.49
  5. Step 5: Solve for x
    x = 614,040.49/795.64
  6. Step 6: Final answer
    x = 771.76

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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.