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Finding the Fourth Proportional to 15,211.16, 22,817.94 and 5,352.65

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Solution

The fourth proportional to 15,211.16, 22,817.94 and 5,352.65 is: 8,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211.16 : 22,817.94 = 5,352.65 : x
  2. Step 2: Convert to fraction form
    15,211.16/22,817.94 = 5,352.65/x
  3. Step 3: Cross multiply
    15,211.16x = 22,817.94 × 5,352.65
  4. Step 4: Simplify right side
    15,211.16x = 122,136,446.54
  5. Step 5: Solve for x
    x = 122,136,446.54/15,211.16
  6. Step 6: Final answer
    x = 8,029.40

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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.