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Finding the Fourth Proportional to 29,390.16, 44,084.90 and 11,859.68

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Solution

The fourth proportional to 29,390.16, 44,084.90 and 11,859.68 is: 17,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,390.16 : 44,084.90 = 11,859.68 : x
  2. Step 2: Convert to fraction form
    29,390.16/44,084.90 = 11,859.68/x
  3. Step 3: Cross multiply
    29,390.16x = 44,084.90 × 11,859.68
  4. Step 4: Simplify right side
    29,390.16x = 522,832,806.83
  5. Step 5: Solve for x
    x = 522,832,806.83/29,390.16
  6. Step 6: Final answer
    x = 17,789.38

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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.