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Finding the Fourth Proportional to 4,981.92, 7,470.08 and 2,062.32

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Solution

The fourth proportional to 4,981.92, 7,470.08 and 2,062.32 is: 3,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.92 : 7,470.08 = 2,062.32 : x
  2. Step 2: Convert to fraction form
    4,981.92/7,470.08 = 2,062.32/x
  3. Step 3: Cross multiply
    4,981.92x = 7,470.08 × 2,062.32
  4. Step 4: Simplify right side
    4,981.92x = 15,405,695.39
  5. Step 5: Solve for x
    x = 15,405,695.39/4,981.92
  6. Step 6: Final answer
    x = 3,092.32

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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.