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Finding the Fourth Proportional to 30,220.59, 45,330.82 and 8,033.97

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Solution

The fourth proportional to 30,220.59, 45,330.82 and 8,033.97 is: 12,050.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.59 : 45,330.82 = 8,033.97 : x
  2. Step 2: Convert to fraction form
    30,220.59/45,330.82 = 8,033.97/x
  3. Step 3: Cross multiply
    30,220.59x = 45,330.82 × 8,033.97
  4. Step 4: Simplify right side
    30,220.59x = 364,186,447.96
  5. Step 5: Solve for x
    x = 364,186,447.96/30,220.59
  6. Step 6: Final answer
    x = 12,050.94

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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.