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Finding the Fourth Proportional to 1,767.05, 2,651.00 and 534.39

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Solution

The fourth proportional to 1,767.05, 2,651.00 and 534.39 is: 801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.05 : 2,651.00 = 534.39 : x
  2. Step 2: Convert to fraction form
    1,767.05/2,651.00 = 534.39/x
  3. Step 3: Cross multiply
    1,767.05x = 2,651.00 × 534.39
  4. Step 4: Simplify right side
    1,767.05x = 1,416,658.28
  5. Step 5: Solve for x
    x = 1,416,658.28/1,767.05
  6. Step 6: Final answer
    x = 801.71

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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.