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Finding the Fourth Proportional to 33,000.70, 49,488.90 and 10,814.80

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Solution

The fourth proportional to 33,000.70, 49,488.90 and 10,814.80 is: 16,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,000.70 : 49,488.90 = 10,814.80 : x
  2. Step 2: Convert to fraction form
    33,000.70/49,488.90 = 10,814.80/x
  3. Step 3: Cross multiply
    33,000.70x = 49,488.90 × 10,814.80
  4. Step 4: Simplify right side
    33,000.70x = 535,212,555.72
  5. Step 5: Solve for x
    x = 535,212,555.72/33,000.70
  6. Step 6: Final answer
    x = 16,218.22

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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.