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Finding the Fourth Proportional to 5,068.62, 7,566.26 and 4,379.72

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Solution

The fourth proportional to 5,068.62, 7,566.26 and 4,379.72 is: 6,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.62 : 7,566.26 = 4,379.72 : x
  2. Step 2: Convert to fraction form
    5,068.62/7,566.26 = 4,379.72/x
  3. Step 3: Cross multiply
    5,068.62x = 7,566.26 × 4,379.72
  4. Step 4: Simplify right side
    5,068.62x = 33,138,100.25
  5. Step 5: Solve for x
    x = 33,138,100.25/5,068.62
  6. Step 6: Final answer
    x = 6,537.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.