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Finding the Fourth Proportional to 6,172.60, 8,512.78 and 4,376.52

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Solution

The fourth proportional to 6,172.60, 8,512.78 and 4,376.52 is: 6,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.60 : 8,512.78 = 4,376.52 : x
  2. Step 2: Convert to fraction form
    6,172.60/8,512.78 = 4,376.52/x
  3. Step 3: Cross multiply
    6,172.60x = 8,512.78 × 4,376.52
  4. Step 4: Simplify right side
    6,172.60x = 37,256,351.93
  5. Step 5: Solve for x
    x = 37,256,351.93/6,172.60
  6. Step 6: Final answer
    x = 6,035.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.