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Finding the Fourth Proportional to 33,272.72, 49,908.96 and 9,899.16

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Solution

The fourth proportional to 33,272.72, 49,908.96 and 9,899.16 is: 14,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,272.72 : 49,908.96 = 9,899.16 : x
  2. Step 2: Convert to fraction form
    33,272.72/49,908.96 = 9,899.16/x
  3. Step 3: Cross multiply
    33,272.72x = 49,908.96 × 9,899.16
  4. Step 4: Simplify right side
    33,272.72x = 494,056,780.47
  5. Step 5: Solve for x
    x = 494,056,780.47/33,272.72
  6. Step 6: Final answer
    x = 14,848.70

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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.