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Finding the Fourth Proportional to 18,152.52, 27,239.31 and 10,366.80

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Solution

The fourth proportional to 18,152.52, 27,239.31 and 10,366.80 is: 15,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.52 : 27,239.31 = 10,366.80 : x
  2. Step 2: Convert to fraction form
    18,152.52/27,239.31 = 10,366.80/x
  3. Step 3: Cross multiply
    18,152.52x = 27,239.31 × 10,366.80
  4. Step 4: Simplify right side
    18,152.52x = 282,384,478.91
  5. Step 5: Solve for x
    x = 282,384,478.91/18,152.52
  6. Step 6: Final answer
    x = 15,556.21

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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.