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Finding the Fourth Proportional to 43,163.02, 64,769.64 and 16,866.46

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Solution

The fourth proportional to 43,163.02, 64,769.64 and 16,866.46 is: 25,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,163.02 : 64,769.64 = 16,866.46 : x
  2. Step 2: Convert to fraction form
    43,163.02/64,769.64 = 16,866.46/x
  3. Step 3: Cross multiply
    43,163.02x = 64,769.64 × 16,866.46
  4. Step 4: Simplify right side
    43,163.02x = 1,092,434,542.27
  5. Step 5: Solve for x
    x = 1,092,434,542.27/43,163.02
  6. Step 6: Final answer
    x = 25,309.50

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1.5x scale

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.