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Finding the Fourth Proportional to 66,051.41, 98,945.89 and 36,395.69

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Solution

The fourth proportional to 66,051.41, 98,945.89 and 36,395.69 is: 54,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051.41 : 98,945.89 = 36,395.69 : x
  2. Step 2: Convert to fraction form
    66,051.41/98,945.89 = 36,395.69/x
  3. Step 3: Cross multiply
    66,051.41x = 98,945.89 × 36,395.69
  4. Step 4: Simplify right side
    66,051.41x = 3,601,203,353.50
  5. Step 5: Solve for x
    x = 3,601,203,353.50/66,051.41
  6. Step 6: Final answer
    x = 54,521.22

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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.