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Finding the Fourth Proportional to 8,930.54, 13,398.81 and 6,264.91

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Solution

The fourth proportional to 8,930.54, 13,398.81 and 6,264.91 is: 9,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.54 : 13,398.81 = 6,264.91 : x
  2. Step 2: Convert to fraction form
    8,930.54/13,398.81 = 6,264.91/x
  3. Step 3: Cross multiply
    8,930.54x = 13,398.81 × 6,264.91
  4. Step 4: Simplify right side
    8,930.54x = 83,942,353.88
  5. Step 5: Solve for x
    x = 83,942,353.88/8,930.54
  6. Step 6: Final answer
    x = 9,399.47

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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.