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Finding the Fourth Proportional to 22,965.84, 34,448.74 and 7,172.22

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Solution

The fourth proportional to 22,965.84, 34,448.74 and 7,172.22 is: 10,758.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,965.84 : 34,448.74 = 7,172.22 : x
  2. Step 2: Convert to fraction form
    22,965.84/34,448.74 = 7,172.22/x
  3. Step 3: Cross multiply
    22,965.84x = 34,448.74 × 7,172.22
  4. Step 4: Simplify right side
    22,965.84x = 247,073,879.65
  5. Step 5: Solve for x
    x = 247,073,879.65/22,965.84
  6. Step 6: Final answer
    x = 10,758.32

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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.