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Finding the Fourth Proportional to 15,940.80, 23,908.02 and 15,150.44

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Solution

The fourth proportional to 15,940.80, 23,908.02 and 15,150.44 is: 22,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.80 : 23,908.02 = 15,150.44 : x
  2. Step 2: Convert to fraction form
    15,940.80/23,908.02 = 15,150.44/x
  3. Step 3: Cross multiply
    15,940.80x = 23,908.02 × 15,150.44
  4. Step 4: Simplify right side
    15,940.80x = 362,217,022.53
  5. Step 5: Solve for x
    x = 362,217,022.53/15,940.80
  6. Step 6: Final answer
    x = 22,722.64

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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.