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Finding the Fourth Proportional to 22,112.92, 30,494.10 and 18,764.92

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Solution

The fourth proportional to 22,112.92, 30,494.10 and 18,764.92 is: 25,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.92 : 30,494.10 = 18,764.92 : x
  2. Step 2: Convert to fraction form
    22,112.92/30,494.10 = 18,764.92/x
  3. Step 3: Cross multiply
    22,112.92x = 30,494.10 × 18,764.92
  4. Step 4: Simplify right side
    22,112.92x = 572,219,346.97
  5. Step 5: Solve for x
    x = 572,219,346.97/22,112.92
  6. Step 6: Final answer
    x = 25,877.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.