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Finding the Fourth Proportional to 43,889.16, 65,818.18 and 15,801.68

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Solution

The fourth proportional to 43,889.16, 65,818.18 and 15,801.68 is: 23,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,889.16 : 65,818.18 = 15,801.68 : x
  2. Step 2: Convert to fraction form
    43,889.16/65,818.18 = 15,801.68/x
  3. Step 3: Cross multiply
    43,889.16x = 65,818.18 × 15,801.68
  4. Step 4: Simplify right side
    43,889.16x = 1,040,037,818.54
  5. Step 5: Solve for x
    x = 1,040,037,818.54/43,889.16
  6. Step 6: Final answer
    x = 23,696.92

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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.