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Finding the Fourth Proportional to 18,100.62, 27,151.32 and 10,293

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Solution

The fourth proportional to 18,100.62, 27,151.32 and 10,293 is: 15,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.62 : 27,151.32 = 10,293 : x
  2. Step 2: Convert to fraction form
    18,100.62/27,151.32 = 10,293/x
  3. Step 3: Cross multiply
    18,100.62x = 27,151.32 × 10,293
  4. Step 4: Simplify right side
    18,100.62x = 279,468,536.76
  5. Step 5: Solve for x
    x = 279,468,536.76/18,100.62
  6. Step 6: Final answer
    x = 15,439.72

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1.5x scale

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.