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Finding the Fourth Proportional to 8,788.68, 13,162.86 and 5,701.32

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Solution

The fourth proportional to 8,788.68, 13,162.86 and 5,701.32 is: 8,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.68 : 13,162.86 = 5,701.32 : x
  2. Step 2: Convert to fraction form
    8,788.68/13,162.86 = 5,701.32/x
  3. Step 3: Cross multiply
    8,788.68x = 13,162.86 × 5,701.32
  4. Step 4: Simplify right side
    8,788.68x = 75,045,676.98
  5. Step 5: Solve for x
    x = 75,045,676.98/8,788.68
  6. Step 6: Final answer
    x = 8,538.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.