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Finding the Fourth Proportional to 33,325, 49,990.06 and 11,138.45

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Solution

The fourth proportional to 33,325, 49,990.06 and 11,138.45 is: 16,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325 : 49,990.06 = 11,138.45 : x
  2. Step 2: Convert to fraction form
    33,325/49,990.06 = 11,138.45/x
  3. Step 3: Cross multiply
    33,325x = 49,990.06 × 11,138.45
  4. Step 4: Simplify right side
    33,325x = 556,811,783.81
  5. Step 5: Solve for x
    x = 556,811,783.81/33,325
  6. Step 6: Final answer
    x = 16,708.53

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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.