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Finding the Fourth Proportional to 4,700.97, 6,487.02 and 2,709.99

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Solution

The fourth proportional to 4,700.97, 6,487.02 and 2,709.99 is: 3,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.97 : 6,487.02 = 2,709.99 : x
  2. Step 2: Convert to fraction form
    4,700.97/6,487.02 = 2,709.99/x
  3. Step 3: Cross multiply
    4,700.97x = 6,487.02 × 2,709.99
  4. Step 4: Simplify right side
    4,700.97x = 17,579,759.33
  5. Step 5: Solve for x
    x = 17,579,759.33/4,700.97
  6. Step 6: Final answer
    x = 3,739.60

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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.