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Finding the Fourth Proportional to 3,714.82, 5,572.29 and 1,766.63

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Solution

The fourth proportional to 3,714.82, 5,572.29 and 1,766.63 is: 2,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.82 : 5,572.29 = 1,766.63 : x
  2. Step 2: Convert to fraction form
    3,714.82/5,572.29 = 1,766.63/x
  3. Step 3: Cross multiply
    3,714.82x = 5,572.29 × 1,766.63
  4. Step 4: Simplify right side
    3,714.82x = 9,844,174.68
  5. Step 5: Solve for x
    x = 9,844,174.68/3,714.82
  6. Step 6: Final answer
    x = 2,649.97

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1.5x scale

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.