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Finding the Fourth Proportional to 16,574.65, 22,872.31 and 9,020.99

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Solution

The fourth proportional to 16,574.65, 22,872.31 and 9,020.99 is: 12,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,574.65 : 22,872.31 = 9,020.99 : x
  2. Step 2: Convert to fraction form
    16,574.65/22,872.31 = 9,020.99/x
  3. Step 3: Cross multiply
    16,574.65x = 22,872.31 × 9,020.99
  4. Step 4: Simplify right side
    16,574.65x = 206,330,914.42
  5. Step 5: Solve for x
    x = 206,330,914.42/16,574.65
  6. Step 6: Final answer
    x = 12,448.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.