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Finding the Fourth Proportional to 67,164.60, 100,631.70 and 32,028.60

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Solution

The fourth proportional to 67,164.60, 100,631.70 and 32,028.60 is: 47,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,164.60 : 100,631.70 = 32,028.60 : x
  2. Step 2: Convert to fraction form
    67,164.60/100,631.70 = 32,028.60/x
  3. Step 3: Cross multiply
    67,164.60x = 100,631.70 × 32,028.60
  4. Step 4: Simplify right side
    67,164.60x = 3,223,092,466.62
  5. Step 5: Solve for x
    x = 3,223,092,466.62/67,164.60
  6. Step 6: Final answer
    x = 47,987.96

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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.