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Finding the Fourth Proportional to 66,344.98, 99,283.74 and 41,396.78

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Solution

The fourth proportional to 66,344.98, 99,283.74 and 41,396.78 is: 61,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.98 : 99,283.74 = 41,396.78 : x
  2. Step 2: Convert to fraction form
    66,344.98/99,283.74 = 41,396.78/x
  3. Step 3: Cross multiply
    66,344.98x = 99,283.74 × 41,396.78
  4. Step 4: Simplify right side
    66,344.98x = 4,110,027,142.36
  5. Step 5: Solve for x
    x = 4,110,027,142.36/66,344.98
  6. Step 6: Final answer
    x = 61,949.33

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1.5x scale

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.