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Finding the Fourth Proportional to 4,376.88, 6,568.06 and 2,917.06

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Solution

The fourth proportional to 4,376.88, 6,568.06 and 2,917.06 is: 4,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.88 : 6,568.06 = 2,917.06 : x
  2. Step 2: Convert to fraction form
    4,376.88/6,568.06 = 2,917.06/x
  3. Step 3: Cross multiply
    4,376.88x = 6,568.06 × 2,917.06
  4. Step 4: Simplify right side
    4,376.88x = 19,159,425.10
  5. Step 5: Solve for x
    x = 19,159,425.10/4,376.88
  6. Step 6: Final answer
    x = 4,377.42

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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.