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Finding the Fourth Proportional to 43,171.97, 64,794.86 and 16,895.16

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Solution

The fourth proportional to 43,171.97, 64,794.86 and 16,895.16 is: 25,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,171.97 : 64,794.86 = 16,895.16 : x
  2. Step 2: Convert to fraction form
    43,171.97/64,794.86 = 16,895.16/x
  3. Step 3: Cross multiply
    43,171.97x = 64,794.86 × 16,895.16
  4. Step 4: Simplify right side
    43,171.97x = 1,094,719,442.40
  5. Step 5: Solve for x
    x = 1,094,719,442.40/43,171.97
  6. Step 6: Final answer
    x = 25,357.18

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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.