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Finding the Fourth Proportional to 33,239.19, 49,866.99 and 9,865.62

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Solution

The fourth proportional to 33,239.19, 49,866.99 and 9,865.62 is: 14,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.19 : 49,866.99 = 9,865.62 : x
  2. Step 2: Convert to fraction form
    33,239.19/49,866.99 = 9,865.62/x
  3. Step 3: Cross multiply
    33,239.19x = 49,866.99 × 9,865.62
  4. Step 4: Simplify right side
    33,239.19x = 491,968,773.88
  5. Step 5: Solve for x
    x = 491,968,773.88/33,239.19
  6. Step 6: Final answer
    x = 14,800.87

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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.