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Finding the Fourth Proportional to 60,344.40, 90,408.60 and 29,110.80

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Solution

The fourth proportional to 60,344.40, 90,408.60 and 29,110.80 is: 43,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,344.40 : 90,408.60 = 29,110.80 : x
  2. Step 2: Convert to fraction form
    60,344.40/90,408.60 = 29,110.80/x
  3. Step 3: Cross multiply
    60,344.40x = 90,408.60 × 29,110.80
  4. Step 4: Simplify right side
    60,344.40x = 2,631,866,672.88
  5. Step 5: Solve for x
    x = 2,631,866,672.88/60,344.40
  6. Step 6: Final answer
    x = 43,614.10

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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.