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Finding the Fourth Proportional to 33,839.76, 50,720.76 and 18,235.92

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Solution

The fourth proportional to 33,839.76, 50,720.76 and 18,235.92 is: 27,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,839.76 : 50,720.76 = 18,235.92 : x
  2. Step 2: Convert to fraction form
    33,839.76/50,720.76 = 18,235.92/x
  3. Step 3: Cross multiply
    33,839.76x = 50,720.76 × 18,235.92
  4. Step 4: Simplify right side
    33,839.76x = 924,939,721.70
  5. Step 5: Solve for x
    x = 924,939,721.70/33,839.76
  6. Step 6: Final answer
    x = 27,332.93

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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.