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Finding the Fourth Proportional to 8,881.50, 13,322.49 and 2,725.50

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Solution

The fourth proportional to 8,881.50, 13,322.49 and 2,725.50 is: 4,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.50 : 13,322.49 = 2,725.50 : x
  2. Step 2: Convert to fraction form
    8,881.50/13,322.49 = 2,725.50/x
  3. Step 3: Cross multiply
    8,881.50x = 13,322.49 × 2,725.50
  4. Step 4: Simplify right side
    8,881.50x = 36,310,446.50
  5. Step 5: Solve for x
    x = 36,310,446.50/8,881.50
  6. Step 6: Final answer
    x = 4,088.32

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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.