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Finding the Fourth Proportional to 33,125.15, 45,713.03 and 18,018.15

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Solution

The fourth proportional to 33,125.15, 45,713.03 and 18,018.15 is: 24,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.15 : 45,713.03 = 18,018.15 : x
  2. Step 2: Convert to fraction form
    33,125.15/45,713.03 = 18,018.15/x
  3. Step 3: Cross multiply
    33,125.15x = 45,713.03 × 18,018.15
  4. Step 4: Simplify right side
    33,125.15x = 823,663,969.98
  5. Step 5: Solve for x
    x = 823,663,969.98/33,125.15
  6. Step 6: Final answer
    x = 24,865.21

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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.