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Finding the Fourth Proportional to 50,136.74, 75,203.70 and 16,858.70

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Solution

The fourth proportional to 50,136.74, 75,203.70 and 16,858.70 is: 25,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,136.74 : 75,203.70 = 16,858.70 : x
  2. Step 2: Convert to fraction form
    50,136.74/75,203.70 = 16,858.70/x
  3. Step 3: Cross multiply
    50,136.74x = 75,203.70 × 16,858.70
  4. Step 4: Simplify right side
    50,136.74x = 1,267,836,617.19
  5. Step 5: Solve for x
    x = 1,267,836,617.19/50,136.74
  6. Step 6: Final answer
    x = 25,287.58

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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.