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Finding the Fourth Proportional to 8,316.68, 12,474.81 and 2,473.34

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Solution

The fourth proportional to 8,316.68, 12,474.81 and 2,473.34 is: 3,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.68 : 12,474.81 = 2,473.34 : x
  2. Step 2: Convert to fraction form
    8,316.68/12,474.81 = 2,473.34/x
  3. Step 3: Cross multiply
    8,316.68x = 12,474.81 × 2,473.34
  4. Step 4: Simplify right side
    8,316.68x = 30,854,384.19
  5. Step 5: Solve for x
    x = 30,854,384.19/8,316.68
  6. Step 6: Final answer
    x = 3,709.94

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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.