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Finding the Fourth Proportional to 33,240.19, 49,868.49 and 9,866.62

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Solution

The fourth proportional to 33,240.19, 49,868.49 and 9,866.62 is: 14,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.19 : 49,868.49 = 9,866.62 : x
  2. Step 2: Convert to fraction form
    33,240.19/49,868.49 = 9,866.62/x
  3. Step 3: Cross multiply
    33,240.19x = 49,868.49 × 9,866.62
  4. Step 4: Simplify right side
    33,240.19x = 492,033,440.80
  5. Step 5: Solve for x
    x = 492,033,440.80/33,240.19
  6. Step 6: Final answer
    x = 14,802.37

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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.