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Finding the Fourth Proportional to 15,212.94, 22,800.57 and 8,619.14

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Solution

The fourth proportional to 15,212.94, 22,800.57 and 8,619.14 is: 12,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.94 : 22,800.57 = 8,619.14 : x
  2. Step 2: Convert to fraction form
    15,212.94/22,800.57 = 8,619.14/x
  3. Step 3: Cross multiply
    15,212.94x = 22,800.57 × 8,619.14
  4. Step 4: Simplify right side
    15,212.94x = 196,521,190.91
  5. Step 5: Solve for x
    x = 196,521,190.91/15,212.94
  6. Step 6: Final answer
    x = 12,918.03

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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.