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Finding the Fourth Proportional to 33,889.05, 50,834.08 and 8,931.63

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Solution

The fourth proportional to 33,889.05, 50,834.08 and 8,931.63 is: 13,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,889.05 : 50,834.08 = 8,931.63 : x
  2. Step 2: Convert to fraction form
    33,889.05/50,834.08 = 8,931.63/x
  3. Step 3: Cross multiply
    33,889.05x = 50,834.08 × 8,931.63
  4. Step 4: Simplify right side
    33,889.05x = 454,031,395.74
  5. Step 5: Solve for x
    x = 454,031,395.74/33,889.05
  6. Step 6: Final answer
    x = 13,397.58

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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.