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Finding the Fourth Proportional to 33,919.61, 50,881.84 and 8,959.41

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Solution

The fourth proportional to 33,919.61, 50,881.84 and 8,959.41 is: 13,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.61 : 50,881.84 = 8,959.41 : x
  2. Step 2: Convert to fraction form
    33,919.61/50,881.84 = 8,959.41/x
  3. Step 3: Cross multiply
    33,919.61x = 50,881.84 × 8,959.41
  4. Step 4: Simplify right side
    33,919.61x = 455,871,011.71
  5. Step 5: Solve for x
    x = 455,871,011.71/33,919.61
  6. Step 6: Final answer
    x = 13,439.75

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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.