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Finding the Fourth Proportional to 6,384.62, 8,808.86 and 3,731.52

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Solution

The fourth proportional to 6,384.62, 8,808.86 and 3,731.52 is: 5,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.62 : 8,808.86 = 3,731.52 : x
  2. Step 2: Convert to fraction form
    6,384.62/8,808.86 = 3,731.52/x
  3. Step 3: Cross multiply
    6,384.62x = 8,808.86 × 3,731.52
  4. Step 4: Simplify right side
    6,384.62x = 32,870,437.27
  5. Step 5: Solve for x
    x = 32,870,437.27/6,384.62
  6. Step 6: Final answer
    x = 5,148.38

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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.