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Finding the Fourth Proportional to 8,917.67, 13,376.48 and 2,677.67

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Solution

The fourth proportional to 8,917.67, 13,376.48 and 2,677.67 is: 4,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.67 : 13,376.48 = 2,677.67 : x
  2. Step 2: Convert to fraction form
    8,917.67/13,376.48 = 2,677.67/x
  3. Step 3: Cross multiply
    8,917.67x = 13,376.48 × 2,677.67
  4. Step 4: Simplify right side
    8,917.67x = 35,817,718.93
  5. Step 5: Solve for x
    x = 35,817,718.93/8,917.67
  6. Step 6: Final answer
    x = 4,016.49

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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.