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Finding the Fourth Proportional to 6,303.26, 8,696.89 and 4,207.79

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Solution

The fourth proportional to 6,303.26, 8,696.89 and 4,207.79 is: 5,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.26 : 8,696.89 = 4,207.79 : x
  2. Step 2: Convert to fraction form
    6,303.26/8,696.89 = 4,207.79/x
  3. Step 3: Cross multiply
    6,303.26x = 8,696.89 × 4,207.79
  4. Step 4: Simplify right side
    6,303.26x = 36,594,686.77
  5. Step 5: Solve for x
    x = 36,594,686.77/6,303.26
  6. Step 6: Final answer
    x = 5,805.68

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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.