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Finding the Fourth Proportional to 1,766.84, 2,650.50 and 534.11

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Solution

The fourth proportional to 1,766.84, 2,650.50 and 534.11 is: 801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.84 : 2,650.50 = 534.11 : x
  2. Step 2: Convert to fraction form
    1,766.84/2,650.50 = 534.11/x
  3. Step 3: Cross multiply
    1,766.84x = 2,650.50 × 534.11
  4. Step 4: Simplify right side
    1,766.84x = 1,415,645.30
  5. Step 5: Solve for x
    x = 1,415,645.30/1,766.84
  6. Step 6: Final answer
    x = 801.23

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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.