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Finding the Fourth Proportional to 37,146.25, 55,728.02 and 12,522.25

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Solution

The fourth proportional to 37,146.25, 55,728.02 and 12,522.25 is: 18,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,146.25 : 55,728.02 = 12,522.25 : x
  2. Step 2: Convert to fraction form
    37,146.25/55,728.02 = 12,522.25/x
  3. Step 3: Cross multiply
    37,146.25x = 55,728.02 × 12,522.25
  4. Step 4: Simplify right side
    37,146.25x = 697,840,198.45
  5. Step 5: Solve for x
    x = 697,840,198.45/37,146.25
  6. Step 6: Final answer
    x = 18,786.29

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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.