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Finding the Fourth Proportional to 8,914.47, 13,364.42 and 3,364.65

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Solution

The fourth proportional to 8,914.47, 13,364.42 and 3,364.65 is: 5,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.47 : 13,364.42 = 3,364.65 : x
  2. Step 2: Convert to fraction form
    8,914.47/13,364.42 = 3,364.65/x
  3. Step 3: Cross multiply
    8,914.47x = 13,364.42 × 3,364.65
  4. Step 4: Simplify right side
    8,914.47x = 44,966,578.93
  5. Step 5: Solve for x
    x = 44,966,578.93/8,914.47
  6. Step 6: Final answer
    x = 5,044.22

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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.