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Finding the Fourth Proportional to 33,000.60, 49,500.90 and 8,040.45

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Solution

The fourth proportional to 33,000.60, 49,500.90 and 8,040.45 is: 12,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,000.60 : 49,500.90 = 8,040.45 : x
  2. Step 2: Convert to fraction form
    33,000.60/49,500.90 = 8,040.45/x
  3. Step 3: Cross multiply
    33,000.60x = 49,500.90 × 8,040.45
  4. Step 4: Simplify right side
    33,000.60x = 398,009,511.41
  5. Step 5: Solve for x
    x = 398,009,511.41/33,000.60
  6. Step 6: Final answer
    x = 12,060.68

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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.