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Finding the Fourth Proportional to 5,327.93, 7,984.94 and 2,859.86

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Solution

The fourth proportional to 5,327.93, 7,984.94 and 2,859.86 is: 4,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.93 : 7,984.94 = 2,859.86 : x
  2. Step 2: Convert to fraction form
    5,327.93/7,984.94 = 2,859.86/x
  3. Step 3: Cross multiply
    5,327.93x = 7,984.94 × 2,859.86
  4. Step 4: Simplify right side
    5,327.93x = 22,835,810.51
  5. Step 5: Solve for x
    x = 22,835,810.51/5,327.93
  6. Step 6: Final answer
    x = 4,286.06

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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.