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Finding the Fourth Proportional to 2,997.15, 4,494.38 and 1,764.87

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Solution

The fourth proportional to 2,997.15, 4,494.38 and 1,764.87 is: 2,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.15 : 4,494.38 = 1,764.87 : x
  2. Step 2: Convert to fraction form
    2,997.15/4,494.38 = 1,764.87/x
  3. Step 3: Cross multiply
    2,997.15x = 4,494.38 × 1,764.87
  4. Step 4: Simplify right side
    2,997.15x = 7,931,987.61
  5. Step 5: Solve for x
    x = 7,931,987.61/2,997.15
  6. Step 6: Final answer
    x = 2,646.51

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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.