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Finding the Fourth Proportional to 3,776.51, 5,657.44 and 2,997.95

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Solution

The fourth proportional to 3,776.51, 5,657.44 and 2,997.95 is: 4,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.51 : 5,657.44 = 2,997.95 : x
  2. Step 2: Convert to fraction form
    3,776.51/5,657.44 = 2,997.95/x
  3. Step 3: Cross multiply
    3,776.51x = 5,657.44 × 2,997.95
  4. Step 4: Simplify right side
    3,776.51x = 16,960,722.25
  5. Step 5: Solve for x
    x = 16,960,722.25/3,776.51
  6. Step 6: Final answer
    x = 4,491.11

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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.