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Finding the Fourth Proportional to 33,155.24, 45,754.24 and 18,251.24

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Solution

The fourth proportional to 33,155.24, 45,754.24 and 18,251.24 is: 25,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,155.24 : 45,754.24 = 18,251.24 : x
  2. Step 2: Convert to fraction form
    33,155.24/45,754.24 = 18,251.24/x
  3. Step 3: Cross multiply
    33,155.24x = 45,754.24 × 18,251.24
  4. Step 4: Simplify right side
    33,155.24x = 835,071,615.26
  5. Step 5: Solve for x
    x = 835,071,615.26/33,155.24
  6. Step 6: Final answer
    x = 25,186.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.