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Finding the Fourth Proportional to 30,226.92, 45,340.32 and 8,040.32

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Solution

The fourth proportional to 30,226.92, 45,340.32 and 8,040.32 is: 12,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.92 : 45,340.32 = 8,040.32 : x
  2. Step 2: Convert to fraction form
    30,226.92/45,340.32 = 8,040.32/x
  3. Step 3: Cross multiply
    30,226.92x = 45,340.32 × 8,040.32
  4. Step 4: Simplify right side
    30,226.92x = 364,550,414.80
  5. Step 5: Solve for x
    x = 364,550,414.80/30,226.92
  6. Step 6: Final answer
    x = 12,060.46

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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.