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Finding the Fourth Proportional to 33,995.62, 46,931.02 and 21,255.88

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Solution

The fourth proportional to 33,995.62, 46,931.02 and 21,255.88 is: 29,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,995.62 : 46,931.02 = 21,255.88 : x
  2. Step 2: Convert to fraction form
    33,995.62/46,931.02 = 21,255.88/x
  3. Step 3: Cross multiply
    33,995.62x = 46,931.02 × 21,255.88
  4. Step 4: Simplify right side
    33,995.62x = 997,560,129.40
  5. Step 5: Solve for x
    x = 997,560,129.40/33,995.62
  6. Step 6: Final answer
    x = 29,343.78

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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.