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Finding the Fourth Proportional to 6,257.29, 8,625.13 and 4,928.89

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Solution

The fourth proportional to 6,257.29, 8,625.13 and 4,928.89 is: 6,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.29 : 8,625.13 = 4,928.89 : x
  2. Step 2: Convert to fraction form
    6,257.29/8,625.13 = 4,928.89/x
  3. Step 3: Cross multiply
    6,257.29x = 8,625.13 × 4,928.89
  4. Step 4: Simplify right side
    6,257.29x = 42,512,317.01
  5. Step 5: Solve for x
    x = 42,512,317.01/6,257.29
  6. Step 6: Final answer
    x = 6,794.05

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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.