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Finding the Fourth Proportional to 22,256.56, 33,384.84 and 11,888.56

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Solution

The fourth proportional to 22,256.56, 33,384.84 and 11,888.56 is: 17,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.56 : 33,384.84 = 11,888.56 : x
  2. Step 2: Convert to fraction form
    22,256.56/33,384.84 = 11,888.56/x
  3. Step 3: Cross multiply
    22,256.56x = 33,384.84 × 11,888.56
  4. Step 4: Simplify right side
    22,256.56x = 396,897,673.43
  5. Step 5: Solve for x
    x = 396,897,673.43/22,256.56
  6. Step 6: Final answer
    x = 17,832.84

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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.