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Finding the Fourth Proportional to 5,168.61, 7,791.09 and 4,867.59

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Solution

The fourth proportional to 5,168.61, 7,791.09 and 4,867.59 is: 7,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.61 : 7,791.09 = 4,867.59 : x
  2. Step 2: Convert to fraction form
    5,168.61/7,791.09 = 4,867.59/x
  3. Step 3: Cross multiply
    5,168.61x = 7,791.09 × 4,867.59
  4. Step 4: Simplify right side
    5,168.61x = 37,923,842.74
  5. Step 5: Solve for x
    x = 37,923,842.74/5,168.61
  6. Step 6: Final answer
    x = 7,337.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.