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Finding the Fourth Proportional to 5,077.91, 6,992.24 and 4,781.99

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Solution

The fourth proportional to 5,077.91, 6,992.24 and 4,781.99 is: 6,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.91 : 6,992.24 = 4,781.99 : x
  2. Step 2: Convert to fraction form
    5,077.91/6,992.24 = 4,781.99/x
  3. Step 3: Cross multiply
    5,077.91x = 6,992.24 × 4,781.99
  4. Step 4: Simplify right side
    5,077.91x = 33,436,762.89
  5. Step 5: Solve for x
    x = 33,436,762.89/5,077.91
  6. Step 6: Final answer
    x = 6,584.76

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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.