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Finding the Fourth Proportional to 67,289.96, 100,904.96 and 35,692.84

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Solution

The fourth proportional to 67,289.96, 100,904.96 and 35,692.84 is: 53,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,289.96 : 100,904.96 = 35,692.84 : x
  2. Step 2: Convert to fraction form
    67,289.96/100,904.96 = 35,692.84/x
  3. Step 3: Cross multiply
    67,289.96x = 100,904.96 × 35,692.84
  4. Step 4: Simplify right side
    67,289.96x = 3,601,584,592.49
  5. Step 5: Solve for x
    x = 3,601,584,592.49/67,289.96
  6. Step 6: Final answer
    x = 53,523.36

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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.