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Finding the Fourth Proportional to 22,967.20, 34,450.80 and 15,968.80

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Solution

The fourth proportional to 22,967.20, 34,450.80 and 15,968.80 is: 23,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,967.20 : 34,450.80 = 15,968.80 : x
  2. Step 2: Convert to fraction form
    22,967.20/34,450.80 = 15,968.80/x
  3. Step 3: Cross multiply
    22,967.20x = 34,450.80 × 15,968.80
  4. Step 4: Simplify right side
    22,967.20x = 550,137,935.04
  5. Step 5: Solve for x
    x = 550,137,935.04/22,967.20
  6. Step 6: Final answer
    x = 23,953.20

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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.