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Finding the Fourth Proportional to 8,316.68, 11,478.17 and 4,779.27

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Solution

The fourth proportional to 8,316.68, 11,478.17 and 4,779.27 is: 6,596.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.68 : 11,478.17 = 4,779.27 : x
  2. Step 2: Convert to fraction form
    8,316.68/11,478.17 = 4,779.27/x
  3. Step 3: Cross multiply
    8,316.68x = 11,478.17 × 4,779.27
  4. Step 4: Simplify right side
    8,316.68x = 54,857,285.48
  5. Step 5: Solve for x
    x = 54,857,285.48/8,316.68
  6. Step 6: Final answer
    x = 6,596.06

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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.