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Finding the Fourth Proportional to 33,346.72, 49,981.86 and 11,154.88

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Solution

The fourth proportional to 33,346.72, 49,981.86 and 11,154.88 is: 16,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,346.72 : 49,981.86 = 11,154.88 : x
  2. Step 2: Convert to fraction form
    33,346.72/49,981.86 = 11,154.88/x
  3. Step 3: Cross multiply
    33,346.72x = 49,981.86 × 11,154.88
  4. Step 4: Simplify right side
    33,346.72x = 557,541,650.48
  5. Step 5: Solve for x
    x = 557,541,650.48/33,346.72
  6. Step 6: Final answer
    x = 16,719.53

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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.