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Finding the Fourth Proportional to 5,782.86, 7,979.62 and 3,264.66

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Solution

The fourth proportional to 5,782.86, 7,979.62 and 3,264.66 is: 4,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.86 : 7,979.62 = 3,264.66 : x
  2. Step 2: Convert to fraction form
    5,782.86/7,979.62 = 3,264.66/x
  3. Step 3: Cross multiply
    5,782.86x = 7,979.62 × 3,264.66
  4. Step 4: Simplify right side
    5,782.86x = 26,050,690.01
  5. Step 5: Solve for x
    x = 26,050,690.01/5,782.86
  6. Step 6: Final answer
    x = 4,504.81

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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.