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Finding the Fourth Proportional to 33,630.99, 50,434.65 and 9,932.21

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Solution

The fourth proportional to 33,630.99, 50,434.65 and 9,932.21 is: 14,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.99 : 50,434.65 = 9,932.21 : x
  2. Step 2: Convert to fraction form
    33,630.99/50,434.65 = 9,932.21/x
  3. Step 3: Cross multiply
    33,630.99x = 50,434.65 × 9,932.21
  4. Step 4: Simplify right side
    33,630.99x = 500,927,282.90
  5. Step 5: Solve for x
    x = 500,927,282.90/33,630.99
  6. Step 6: Final answer
    x = 14,894.81

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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.