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Finding the Fourth Proportional to 4,951.71, 6,837.57 and 3,539.79

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Solution

The fourth proportional to 4,951.71, 6,837.57 and 3,539.79 is: 4,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.71 : 6,837.57 = 3,539.79 : x
  2. Step 2: Convert to fraction form
    4,951.71/6,837.57 = 3,539.79/x
  3. Step 3: Cross multiply
    4,951.71x = 6,837.57 × 3,539.79
  4. Step 4: Simplify right side
    4,951.71x = 24,203,561.91
  5. Step 5: Solve for x
    x = 24,203,561.91/4,951.71
  6. Step 6: Final answer
    x = 4,887.92

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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.