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Finding the Fourth Proportional to 66,344.48, 99,282.99 and 41,396.28

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Solution

The fourth proportional to 66,344.48, 99,282.99 and 41,396.28 is: 61,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.48 : 99,282.99 = 41,396.28 : x
  2. Step 2: Convert to fraction form
    66,344.48/99,282.99 = 41,396.28/x
  3. Step 3: Cross multiply
    66,344.48x = 99,282.99 × 41,396.28
  4. Step 4: Simplify right side
    66,344.48x = 4,109,946,453.28
  5. Step 5: Solve for x
    x = 4,109,946,453.28/66,344.48
  6. Step 6: Final answer
    x = 61,948.58

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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.