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Finding the Fourth Proportional to 48,231.60, 67,616.40 and 48,231.60

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Solution

The fourth proportional to 48,231.60, 67,616.40 and 48,231.60 is: 67,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,231.60 : 67,616.40 = 48,231.60 : x
  2. Step 2: Convert to fraction form
    48,231.60/67,616.40 = 48,231.60/x
  3. Step 3: Cross multiply
    48,231.60x = 67,616.40 × 48,231.60
  4. Step 4: Simplify right side
    48,231.60x = 3,261,247,158.24
  5. Step 5: Solve for x
    x = 3,261,247,158.24/48,231.60
  6. Step 6: Final answer
    x = 67,616.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.