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Finding the Fourth Proportional to 54,751.91, 82,122.17 and 14,769.23

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Solution

The fourth proportional to 54,751.91, 82,122.17 and 14,769.23 is: 22,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,751.91 : 82,122.17 = 14,769.23 : x
  2. Step 2: Convert to fraction form
    54,751.91/82,122.17 = 14,769.23/x
  3. Step 3: Cross multiply
    54,751.91x = 82,122.17 × 14,769.23
  4. Step 4: Simplify right side
    54,751.91x = 1,212,880,732.37
  5. Step 5: Solve for x
    x = 1,212,880,732.37/54,751.91
  6. Step 6: Final answer
    x = 22,152.30

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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.