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Finding the Fourth Proportional to 20,062.92, 30,095.46 and 8,364.36

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Solution

The fourth proportional to 20,062.92, 30,095.46 and 8,364.36 is: 12,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.92 : 30,095.46 = 8,364.36 : x
  2. Step 2: Convert to fraction form
    20,062.92/30,095.46 = 8,364.36/x
  3. Step 3: Cross multiply
    20,062.92x = 30,095.46 × 8,364.36
  4. Step 4: Simplify right side
    20,062.92x = 251,729,261.81
  5. Step 5: Solve for x
    x = 251,729,261.81/20,062.92
  6. Step 6: Final answer
    x = 12,546.99

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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.