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Finding the Fourth Proportional to 67,047.84, 100,487.91 and 33,776.28

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Solution

The fourth proportional to 67,047.84, 100,487.91 and 33,776.28 is: 50,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,047.84 : 100,487.91 = 33,776.28 : x
  2. Step 2: Convert to fraction form
    67,047.84/100,487.91 = 33,776.28/x
  3. Step 3: Cross multiply
    67,047.84x = 100,487.91 × 33,776.28
  4. Step 4: Simplify right side
    67,047.84x = 3,394,107,784.77
  5. Step 5: Solve for x
    x = 3,394,107,784.77/67,047.84
  6. Step 6: Final answer
    x = 50,622.18

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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.