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Finding the Fourth Proportional to 4,651.76, 6,980.02 and 3,092.83

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Solution

The fourth proportional to 4,651.76, 6,980.02 and 3,092.83 is: 4,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.76 : 6,980.02 = 3,092.83 : x
  2. Step 2: Convert to fraction form
    4,651.76/6,980.02 = 3,092.83/x
  3. Step 3: Cross multiply
    4,651.76x = 6,980.02 × 3,092.83
  4. Step 4: Simplify right side
    4,651.76x = 21,587,990.07
  5. Step 5: Solve for x
    x = 21,587,990.07/4,651.76
  6. Step 6: Final answer
    x = 4,640.82

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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.