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Finding the Fourth Proportional to 22,016.63, 33,018 and 7,222.10

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Solution

The fourth proportional to 22,016.63, 33,018 and 7,222.10 is: 10,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,016.63 : 33,018 = 7,222.10 : x
  2. Step 2: Convert to fraction form
    22,016.63/33,018 = 7,222.10/x
  3. Step 3: Cross multiply
    22,016.63x = 33,018 × 7,222.10
  4. Step 4: Simplify right side
    22,016.63x = 238,459,132.71
  5. Step 5: Solve for x
    x = 238,459,132.71/22,016.63
  6. Step 6: Final answer
    x = 10,830.87

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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.