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Finding the Fourth Proportional to 8,930.92, 13,368.30 and 8,053.96

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Solution

The fourth proportional to 8,930.92, 13,368.30 and 8,053.96 is: 12,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.92 : 13,368.30 = 8,053.96 : x
  2. Step 2: Convert to fraction form
    8,930.92/13,368.30 = 8,053.96/x
  3. Step 3: Cross multiply
    8,930.92x = 13,368.30 × 8,053.96
  4. Step 4: Simplify right side
    8,930.92x = 107,667,753.47
  5. Step 5: Solve for x
    x = 107,667,753.47/8,930.92
  6. Step 6: Final answer
    x = 12,055.62

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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.