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Finding the Fourth Proportional to 30,218.32, 45,323.88 and 8,033.32

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Solution

The fourth proportional to 30,218.32, 45,323.88 and 8,033.32 is: 12,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.32 : 45,323.88 = 8,033.32 : x
  2. Step 2: Convert to fraction form
    30,218.32/45,323.88 = 8,033.32/x
  3. Step 3: Cross multiply
    30,218.32x = 45,323.88 × 8,033.32
  4. Step 4: Simplify right side
    30,218.32x = 364,101,231.68
  5. Step 5: Solve for x
    x = 364,101,231.68/30,218.32
  6. Step 6: Final answer
    x = 12,049.02

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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.