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Finding the Fourth Proportional to 8,919.84, 13,377.84 and 3,296.16

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Solution

The fourth proportional to 8,919.84, 13,377.84 and 3,296.16 is: 4,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.84 : 13,377.84 = 3,296.16 : x
  2. Step 2: Convert to fraction form
    8,919.84/13,377.84 = 3,296.16/x
  3. Step 3: Cross multiply
    8,919.84x = 13,377.84 × 3,296.16
  4. Step 4: Simplify right side
    8,919.84x = 44,095,501.09
  5. Step 5: Solve for x
    x = 44,095,501.09/8,919.84
  6. Step 6: Final answer
    x = 4,943.53

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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.