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Finding the Fourth Proportional to 33,862.80, 50,795.80 and 10,505.60

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Solution

The fourth proportional to 33,862.80, 50,795.80 and 10,505.60 is: 15,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,862.80 : 50,795.80 = 10,505.60 : x
  2. Step 2: Convert to fraction form
    33,862.80/50,795.80 = 10,505.60/x
  3. Step 3: Cross multiply
    33,862.80x = 50,795.80 × 10,505.60
  4. Step 4: Simplify right side
    33,862.80x = 533,640,356.48
  5. Step 5: Solve for x
    x = 533,640,356.48/33,862.80
  6. Step 6: Final answer
    x = 15,758.90

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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.