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Finding the Fourth Proportional to 33,612.48, 50,406.95 and 9,913.75

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Solution

The fourth proportional to 33,612.48, 50,406.95 and 9,913.75 is: 14,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,612.48 : 50,406.95 = 9,913.75 : x
  2. Step 2: Convert to fraction form
    33,612.48/50,406.95 = 9,913.75/x
  3. Step 3: Cross multiply
    33,612.48x = 50,406.95 × 9,913.75
  4. Step 4: Simplify right side
    33,612.48x = 499,721,799.33
  5. Step 5: Solve for x
    x = 499,721,799.33/33,612.48
  6. Step 6: Final answer
    x = 14,867.15

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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.