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Finding the Fourth Proportional to 8,467.68, 11,686.05 and 4,930.68

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Solution

The fourth proportional to 8,467.68, 11,686.05 and 4,930.68 is: 6,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.68 : 11,686.05 = 4,930.68 : x
  2. Step 2: Convert to fraction form
    8,467.68/11,686.05 = 4,930.68/x
  3. Step 3: Cross multiply
    8,467.68x = 11,686.05 × 4,930.68
  4. Step 4: Simplify right side
    8,467.68x = 57,620,173.01
  5. Step 5: Solve for x
    x = 57,620,173.01/8,467.68
  6. Step 6: Final answer
    x = 6,804.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.