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Finding the Fourth Proportional to 48,846.40, 73,269.60 and 43,921.60

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Solution

The fourth proportional to 48,846.40, 73,269.60 and 43,921.60 is: 65,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,846.40 : 73,269.60 = 43,921.60 : x
  2. Step 2: Convert to fraction form
    48,846.40/73,269.60 = 43,921.60/x
  3. Step 3: Cross multiply
    48,846.40x = 73,269.60 × 43,921.60
  4. Step 4: Simplify right side
    48,846.40x = 3,218,118,063.36
  5. Step 5: Solve for x
    x = 3,218,118,063.36/48,846.40
  6. Step 6: Final answer
    x = 65,882.40

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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.