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Finding the Fourth Proportional to 53,469, 80,203.50 and 16,533

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Solution

The fourth proportional to 53,469, 80,203.50 and 16,533 is: 24,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,469 : 80,203.50 = 16,533 : x
  2. Step 2: Convert to fraction form
    53,469/80,203.50 = 16,533/x
  3. Step 3: Cross multiply
    53,469x = 80,203.50 × 16,533
  4. Step 4: Simplify right side
    53,469x = 1,326,004,465.50
  5. Step 5: Solve for x
    x = 1,326,004,465.50/53,469
  6. Step 6: Final answer
    x = 24,799.50

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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.