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Finding the Fourth Proportional to 66,269.34, 91,451.90 and 36,054.64

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Solution

The fourth proportional to 66,269.34, 91,451.90 and 36,054.64 is: 49,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269.34 : 91,451.90 = 36,054.64 : x
  2. Step 2: Convert to fraction form
    66,269.34/91,451.90 = 36,054.64/x
  3. Step 3: Cross multiply
    66,269.34x = 91,451.90 × 36,054.64
  4. Step 4: Simplify right side
    66,269.34x = 3,297,265,331.82
  5. Step 5: Solve for x
    x = 3,297,265,331.82/66,269.34
  6. Step 6: Final answer
    x = 49,755.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.