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Finding the Fourth Proportional to 66,552.81, 99,795.48 and 22,164

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Solution

The fourth proportional to 66,552.81, 99,795.48 and 22,164 is: 33,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.81 : 99,795.48 = 22,164 : x
  2. Step 2: Convert to fraction form
    66,552.81/99,795.48 = 22,164/x
  3. Step 3: Cross multiply
    66,552.81x = 99,795.48 × 22,164
  4. Step 4: Simplify right side
    66,552.81x = 2,211,867,018.72
  5. Step 5: Solve for x
    x = 2,211,867,018.72/66,552.81
  6. Step 6: Final answer
    x = 33,234.77

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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.