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Finding the Fourth Proportional to 22,798.13, 34,212.44 and 8,769.74

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Solution

The fourth proportional to 22,798.13, 34,212.44 and 8,769.74 is: 13,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.13 : 34,212.44 = 8,769.74 : x
  2. Step 2: Convert to fraction form
    22,798.13/34,212.44 = 8,769.74/x
  3. Step 3: Cross multiply
    22,798.13x = 34,212.44 × 8,769.74
  4. Step 4: Simplify right side
    22,798.13x = 300,034,054.43
  5. Step 5: Solve for x
    x = 300,034,054.43/22,798.13
  6. Step 6: Final answer
    x = 13,160.47

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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.