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Finding the Fourth Proportional to 67,487.20, 101,259.60 and 32,408.80

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Solution

The fourth proportional to 67,487.20, 101,259.60 and 32,408.80 is: 48,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,487.20 : 101,259.60 = 32,408.80 : x
  2. Step 2: Convert to fraction form
    67,487.20/101,259.60 = 32,408.80/x
  3. Step 3: Cross multiply
    67,487.20x = 101,259.60 × 32,408.80
  4. Step 4: Simplify right side
    67,487.20x = 3,281,702,124.48
  5. Step 5: Solve for x
    x = 3,281,702,124.48/67,487.20
  6. Step 6: Final answer
    x = 48,627.03

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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.