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Finding the Fourth Proportional to 4,760, 6,568.80 and 2,664.53

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Solution

The fourth proportional to 4,760, 6,568.80 and 2,664.53 is: 3,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760 : 6,568.80 = 2,664.53 : x
  2. Step 2: Convert to fraction form
    4,760/6,568.80 = 2,664.53/x
  3. Step 3: Cross multiply
    4,760x = 6,568.80 × 2,664.53
  4. Step 4: Simplify right side
    4,760x = 17,502,764.66
  5. Step 5: Solve for x
    x = 17,502,764.66/4,760
  6. Step 6: Final answer
    x = 3,677.05

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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.