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Finding the Fourth Proportional to 22,578.74, 33,889.97 and 10,900.16

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Solution

The fourth proportional to 22,578.74, 33,889.97 and 10,900.16 is: 16,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.74 : 33,889.97 = 10,900.16 : x
  2. Step 2: Convert to fraction form
    22,578.74/33,889.97 = 10,900.16/x
  3. Step 3: Cross multiply
    22,578.74x = 33,889.97 × 10,900.16
  4. Step 4: Simplify right side
    22,578.74x = 369,405,953.20
  5. Step 5: Solve for x
    x = 369,405,953.20/22,578.74
  6. Step 6: Final answer
    x = 16,360.79

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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.