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Finding the Fourth Proportional to 49,120.40, 73,680.60 and 17,951.60

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Solution

The fourth proportional to 49,120.40, 73,680.60 and 17,951.60 is: 26,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,120.40 : 73,680.60 = 17,951.60 : x
  2. Step 2: Convert to fraction form
    49,120.40/73,680.60 = 17,951.60/x
  3. Step 3: Cross multiply
    49,120.40x = 73,680.60 × 17,951.60
  4. Step 4: Simplify right side
    49,120.40x = 1,322,684,658.96
  5. Step 5: Solve for x
    x = 1,322,684,658.96/49,120.40
  6. Step 6: Final answer
    x = 26,927.40

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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.