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Finding the Fourth Proportional to 20,063.66, 30,098.86 and 7,414.16

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Solution

The fourth proportional to 20,063.66, 30,098.86 and 7,414.16 is: 11,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.66 : 30,098.86 = 7,414.16 : x
  2. Step 2: Convert to fraction form
    20,063.66/30,098.86 = 7,414.16/x
  3. Step 3: Cross multiply
    20,063.66x = 30,098.86 × 7,414.16
  4. Step 4: Simplify right side
    20,063.66x = 223,157,594.83
  5. Step 5: Solve for x
    x = 223,157,594.83/20,063.66
  6. Step 6: Final answer
    x = 11,122.48

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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.