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Finding the Fourth Proportional to 7,335.71, 11,006.28 and 3,388.86

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Solution

The fourth proportional to 7,335.71, 11,006.28 and 3,388.86 is: 5,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.71 : 11,006.28 = 3,388.86 : x
  2. Step 2: Convert to fraction form
    7,335.71/11,006.28 = 3,388.86/x
  3. Step 3: Cross multiply
    7,335.71x = 11,006.28 × 3,388.86
  4. Step 4: Simplify right side
    7,335.71x = 37,298,773.00
  5. Step 5: Solve for x
    x = 37,298,773.00/7,335.71
  6. Step 6: Final answer
    x = 5,084.55

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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.