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Finding the Fourth Proportional to 48,963.20, 73,444.80 and 44,662.40

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Solution

The fourth proportional to 48,963.20, 73,444.80 and 44,662.40 is: 66,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,963.20 : 73,444.80 = 44,662.40 : x
  2. Step 2: Convert to fraction form
    48,963.20/73,444.80 = 44,662.40/x
  3. Step 3: Cross multiply
    48,963.20x = 73,444.80 × 44,662.40
  4. Step 4: Simplify right side
    48,963.20x = 3,280,221,035.52
  5. Step 5: Solve for x
    x = 3,280,221,035.52/48,963.20
  6. Step 6: Final answer
    x = 66,993.60

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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.