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Finding the Fourth Proportional to 33,209.32, 49,811.10 and 11,021.80

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Solution

The fourth proportional to 33,209.32, 49,811.10 and 11,021.80 is: 16,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,209.32 : 49,811.10 = 11,021.80 : x
  2. Step 2: Convert to fraction form
    33,209.32/49,811.10 = 11,021.80/x
  3. Step 3: Cross multiply
    33,209.32x = 49,811.10 × 11,021.80
  4. Step 4: Simplify right side
    33,209.32x = 549,007,981.98
  5. Step 5: Solve for x
    x = 549,007,981.98/33,209.32
  6. Step 6: Final answer
    x = 16,531.74

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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.