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Finding the Fourth Proportional to 2,531.18, 3,797.51 and 887.86

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Solution

The fourth proportional to 2,531.18, 3,797.51 and 887.86 is: 1,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.18 : 3,797.51 = 887.86 : x
  2. Step 2: Convert to fraction form
    2,531.18/3,797.51 = 887.86/x
  3. Step 3: Cross multiply
    2,531.18x = 3,797.51 × 887.86
  4. Step 4: Simplify right side
    2,531.18x = 3,371,657.23
  5. Step 5: Solve for x
    x = 3,371,657.23/2,531.18
  6. Step 6: Final answer
    x = 1,332.05

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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.