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Finding the Fourth Proportional to 15,033.70, 22,550.09 and 7,141.90

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Solution

The fourth proportional to 15,033.70, 22,550.09 and 7,141.90 is: 10,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.70 : 22,550.09 = 7,141.90 : x
  2. Step 2: Convert to fraction form
    15,033.70/22,550.09 = 7,141.90/x
  3. Step 3: Cross multiply
    15,033.70x = 22,550.09 × 7,141.90
  4. Step 4: Simplify right side
    15,033.70x = 161,050,450.66
  5. Step 5: Solve for x
    x = 161,050,450.66/15,033.70
  6. Step 6: Final answer
    x = 10,712.63

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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.