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Finding the Fourth Proportional to 33,262, 45,901.62 and 18,358

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Solution

The fourth proportional to 33,262, 45,901.62 and 18,358 is: 25,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,262 : 45,901.62 = 18,358 : x
  2. Step 2: Convert to fraction form
    33,262/45,901.62 = 18,358/x
  3. Step 3: Cross multiply
    33,262x = 45,901.62 × 18,358
  4. Step 4: Simplify right side
    33,262x = 842,661,939.96
  5. Step 5: Solve for x
    x = 842,661,939.96/33,262
  6. Step 6: Final answer
    x = 25,334.07

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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.