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Finding the Fourth Proportional to 8,881.12, 13,323.12 and 2,725.12

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Solution

The fourth proportional to 8,881.12, 13,323.12 and 2,725.12 is: 4,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.12 : 13,323.12 = 2,725.12 : x
  2. Step 2: Convert to fraction form
    8,881.12/13,323.12 = 2,725.12/x
  3. Step 3: Cross multiply
    8,881.12x = 13,323.12 × 2,725.12
  4. Step 4: Simplify right side
    8,881.12x = 36,307,100.77
  5. Step 5: Solve for x
    x = 36,307,100.77/8,881.12
  6. Step 6: Final answer
    x = 4,088.12

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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.