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Finding the Fourth Proportional to 33,124.88, 45,712.91 and 18,017.87

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Solution

The fourth proportional to 33,124.88, 45,712.91 and 18,017.87 is: 24,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,124.88 : 45,712.91 = 18,017.87 : x
  2. Step 2: Convert to fraction form
    33,124.88/45,712.91 = 18,017.87/x
  3. Step 3: Cross multiply
    33,124.88x = 45,712.91 × 18,017.87
  4. Step 4: Simplify right side
    33,124.88x = 823,648,951.05
  5. Step 5: Solve for x
    x = 823,648,951.05/33,124.88
  6. Step 6: Final answer
    x = 24,864.97

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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.