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Finding the Fourth Proportional to 22,453.75, 33,680.63 and 9,970.84

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Solution

The fourth proportional to 22,453.75, 33,680.63 and 9,970.84 is: 14,956.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453.75 : 33,680.63 = 9,970.84 : x
  2. Step 2: Convert to fraction form
    22,453.75/33,680.63 = 9,970.84/x
  3. Step 3: Cross multiply
    22,453.75x = 33,680.63 × 9,970.84
  4. Step 4: Simplify right side
    22,453.75x = 335,824,172.83
  5. Step 5: Solve for x
    x = 335,824,172.83/22,453.75
  6. Step 6: Final answer
    x = 14,956.26

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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.