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Finding the Fourth Proportional to 33,175.24, 45,773.88 and 18,831.88

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Solution

The fourth proportional to 33,175.24, 45,773.88 and 18,831.88 is: 25,983.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,175.24 : 45,773.88 = 18,831.88 : x
  2. Step 2: Convert to fraction form
    33,175.24/45,773.88 = 18,831.88/x
  3. Step 3: Cross multiply
    33,175.24x = 45,773.88 × 18,831.88
  4. Step 4: Simplify right side
    33,175.24x = 862,008,215.29
  5. Step 5: Solve for x
    x = 862,008,215.29/33,175.24
  6. Step 6: Final answer
    x = 25,983.48

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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.