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Finding the Fourth Proportional to 15,212.10, 22,817.97 and 5,351.34

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Solution

The fourth proportional to 15,212.10, 22,817.97 and 5,351.34 is: 8,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.10 : 22,817.97 = 5,351.34 : x
  2. Step 2: Convert to fraction form
    15,212.10/22,817.97 = 5,351.34/x
  3. Step 3: Cross multiply
    15,212.10x = 22,817.97 × 5,351.34
  4. Step 4: Simplify right side
    15,212.10x = 122,106,715.58
  5. Step 5: Solve for x
    x = 122,106,715.58/15,212.10
  6. Step 6: Final answer
    x = 8,026.95

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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.