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Finding the Fourth Proportional to 33,236, 45,865.68 and 18,332

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Solution

The fourth proportional to 33,236, 45,865.68 and 18,332 is: 25,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,236 : 45,865.68 = 18,332 : x
  2. Step 2: Convert to fraction form
    33,236/45,865.68 = 18,332/x
  3. Step 3: Cross multiply
    33,236x = 45,865.68 × 18,332
  4. Step 4: Simplify right side
    33,236x = 840,809,645.76
  5. Step 5: Solve for x
    x = 840,809,645.76/33,236
  6. Step 6: Final answer
    x = 25,298.16

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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.