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Finding the Fourth Proportional to 33,073, 45,641.12 and 18,169

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Solution

The fourth proportional to 33,073, 45,641.12 and 18,169 is: 25,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,073 : 45,641.12 = 18,169 : x
  2. Step 2: Convert to fraction form
    33,073/45,641.12 = 18,169/x
  3. Step 3: Cross multiply
    33,073x = 45,641.12 × 18,169
  4. Step 4: Simplify right side
    33,073x = 829,253,509.28
  5. Step 5: Solve for x
    x = 829,253,509.28/33,073
  6. Step 6: Final answer
    x = 25,073.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.