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Finding the Fourth Proportional to 33,310.72, 49,966.08 and 9,953.56

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Solution

The fourth proportional to 33,310.72, 49,966.08 and 9,953.56 is: 14,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,310.72 : 49,966.08 = 9,953.56 : x
  2. Step 2: Convert to fraction form
    33,310.72/49,966.08 = 9,953.56/x
  3. Step 3: Cross multiply
    33,310.72x = 49,966.08 × 9,953.56
  4. Step 4: Simplify right side
    33,310.72x = 497,340,375.24
  5. Step 5: Solve for x
    x = 497,340,375.24/33,310.72
  6. Step 6: Final answer
    x = 14,930.34

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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.