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Finding the Fourth Proportional to 43,264, 64,903.02 and 16,954.48

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Solution

The fourth proportional to 43,264, 64,903.02 and 16,954.48 is: 25,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,264 : 64,903.02 = 16,954.48 : x
  2. Step 2: Convert to fraction form
    43,264/64,903.02 = 16,954.48/x
  3. Step 3: Cross multiply
    43,264x = 64,903.02 × 16,954.48
  4. Step 4: Simplify right side
    43,264x = 1,100,396,954.53
  5. Step 5: Solve for x
    x = 1,100,396,954.53/43,264
  6. Step 6: Final answer
    x = 25,434.47

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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.