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Finding the Fourth Proportional to 2,755.77, 4,134.51 and 881.94

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Solution

The fourth proportional to 2,755.77, 4,134.51 and 881.94 is: 1,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.77 : 4,134.51 = 881.94 : x
  2. Step 2: Convert to fraction form
    2,755.77/4,134.51 = 881.94/x
  3. Step 3: Cross multiply
    2,755.77x = 4,134.51 × 881.94
  4. Step 4: Simplify right side
    2,755.77x = 3,646,389.75
  5. Step 5: Solve for x
    x = 3,646,389.75/2,755.77
  6. Step 6: Final answer
    x = 1,323.18

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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.