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Finding the Fourth Proportional to 4,767.76, 6,579.51 and 2,671.88

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Solution

The fourth proportional to 4,767.76, 6,579.51 and 2,671.88 is: 3,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.76 : 6,579.51 = 2,671.88 : x
  2. Step 2: Convert to fraction form
    4,767.76/6,579.51 = 2,671.88/x
  3. Step 3: Cross multiply
    4,767.76x = 6,579.51 × 2,671.88
  4. Step 4: Simplify right side
    4,767.76x = 17,579,661.18
  5. Step 5: Solve for x
    x = 17,579,661.18/4,767.76
  6. Step 6: Final answer
    x = 3,687.20

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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.