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Finding the Fourth Proportional to 48,704.40, 73,056.60 and 47,408.40

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Solution

The fourth proportional to 48,704.40, 73,056.60 and 47,408.40 is: 71,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,704.40 : 73,056.60 = 47,408.40 : x
  2. Step 2: Convert to fraction form
    48,704.40/73,056.60 = 47,408.40/x
  3. Step 3: Cross multiply
    48,704.40x = 73,056.60 × 47,408.40
  4. Step 4: Simplify right side
    48,704.40x = 3,463,496,515.44
  5. Step 5: Solve for x
    x = 3,463,496,515.44/48,704.40
  6. Step 6: Final answer
    x = 71,112.60

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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.