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Finding the Fourth Proportional to 22,187.34, 33,264.57 and 10,486.89

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Solution

The fourth proportional to 22,187.34, 33,264.57 and 10,486.89 is: 15,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.34 : 33,264.57 = 10,486.89 : x
  2. Step 2: Convert to fraction form
    22,187.34/33,264.57 = 10,486.89/x
  3. Step 3: Cross multiply
    22,187.34x = 33,264.57 × 10,486.89
  4. Step 4: Simplify right side
    22,187.34x = 348,841,886.49
  5. Step 5: Solve for x
    x = 348,841,886.49/22,187.34
  6. Step 6: Final answer
    x = 15,722.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.