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Finding the Fourth Proportional to 11,551.08, 17,243.05 and 10,149.82

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Solution

The fourth proportional to 11,551.08, 17,243.05 and 10,149.82 is: 15,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.08 : 17,243.05 = 10,149.82 : x
  2. Step 2: Convert to fraction form
    11,551.08/17,243.05 = 10,149.82/x
  3. Step 3: Cross multiply
    11,551.08x = 17,243.05 × 10,149.82
  4. Step 4: Simplify right side
    11,551.08x = 175,013,767.54
  5. Step 5: Solve for x
    x = 175,013,767.54/11,551.08
  6. Step 6: Final answer
    x = 15,151.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.