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Finding the Fourth Proportional to 67,164.80, 92,646.60 and 48,327.44

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Solution

The fourth proportional to 67,164.80, 92,646.60 and 48,327.44 is: 66,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,164.80 : 92,646.60 = 48,327.44 : x
  2. Step 2: Convert to fraction form
    67,164.80/92,646.60 = 48,327.44/x
  3. Step 3: Cross multiply
    67,164.80x = 92,646.60 × 48,327.44
  4. Step 4: Simplify right side
    67,164.80x = 4,477,373,002.70
  5. Step 5: Solve for x
    x = 4,477,373,002.70/67,164.80
  6. Step 6: Final answer
    x = 66,662.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.