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Finding the Fourth Proportional to 66,379.62, 99,528.48 and 32,602.68

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Solution

The fourth proportional to 66,379.62, 99,528.48 and 32,602.68 is: 48,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,379.62 : 99,528.48 = 32,602.68 : x
  2. Step 2: Convert to fraction form
    66,379.62/99,528.48 = 32,602.68/x
  3. Step 3: Cross multiply
    66,379.62x = 99,528.48 × 32,602.68
  4. Step 4: Simplify right side
    66,379.62x = 3,244,895,184.33
  5. Step 5: Solve for x
    x = 3,244,895,184.33/66,379.62
  6. Step 6: Final answer
    x = 48,883.91

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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.