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Finding the Fourth Proportional to 1,766.74, 2,650.48 and 534.24

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Solution

The fourth proportional to 1,766.74, 2,650.48 and 534.24 is: 801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.74 : 2,650.48 = 534.24 : x
  2. Step 2: Convert to fraction form
    1,766.74/2,650.48 = 534.24/x
  3. Step 3: Cross multiply
    1,766.74x = 2,650.48 × 534.24
  4. Step 4: Simplify right side
    1,766.74x = 1,415,992.44
  5. Step 5: Solve for x
    x = 1,415,992.44/1,766.74
  6. Step 6: Final answer
    x = 801.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.