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Finding the Fourth Proportional to 33,255.16, 49,881.52 and 9,880.99

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Solution

The fourth proportional to 33,255.16, 49,881.52 and 9,880.99 is: 14,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.16 : 49,881.52 = 9,880.99 : x
  2. Step 2: Convert to fraction form
    33,255.16/49,881.52 = 9,880.99/x
  3. Step 3: Cross multiply
    33,255.16x = 49,881.52 × 9,880.99
  4. Step 4: Simplify right side
    33,255.16x = 492,878,687.95
  5. Step 5: Solve for x
    x = 492,878,687.95/33,255.16
  6. Step 6: Final answer
    x = 14,821.12

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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.