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Finding the Fourth Proportional to 8,068.77, 11,133.72 and 4,531.30

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Solution

The fourth proportional to 8,068.77, 11,133.72 and 4,531.30 is: 6,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.77 : 11,133.72 = 4,531.30 : x
  2. Step 2: Convert to fraction form
    8,068.77/11,133.72 = 4,531.30/x
  3. Step 3: Cross multiply
    8,068.77x = 11,133.72 × 4,531.30
  4. Step 4: Simplify right side
    8,068.77x = 50,450,197.60
  5. Step 5: Solve for x
    x = 50,450,197.60/8,068.77
  6. Step 6: Final answer
    x = 6,252.53

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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.