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Finding the Fourth Proportional to 4,671.09, 7,005.83 and 1,748.79

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Solution

The fourth proportional to 4,671.09, 7,005.83 and 1,748.79 is: 2,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.09 : 7,005.83 = 1,748.79 : x
  2. Step 2: Convert to fraction form
    4,671.09/7,005.83 = 1,748.79/x
  3. Step 3: Cross multiply
    4,671.09x = 7,005.83 × 1,748.79
  4. Step 4: Simplify right side
    4,671.09x = 12,251,716.70
  5. Step 5: Solve for x
    x = 12,251,716.70/4,671.09
  6. Step 6: Final answer
    x = 2,622.88

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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.