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Finding the Fourth Proportional to 43,171.59, 64,794.30 and 16,894.79

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Solution

The fourth proportional to 43,171.59, 64,794.30 and 16,894.79 is: 25,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,171.59 : 64,794.30 = 16,894.79 : x
  2. Step 2: Convert to fraction form
    43,171.59/64,794.30 = 16,894.79/x
  3. Step 3: Cross multiply
    43,171.59x = 64,794.30 × 16,894.79
  4. Step 4: Simplify right side
    43,171.59x = 1,094,685,947.35
  5. Step 5: Solve for x
    x = 1,094,685,947.35/43,171.59
  6. Step 6: Final answer
    x = 25,356.63

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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.