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Finding the Fourth Proportional to 66,560.64, 91,853.86 and 36,346.22

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Solution

The fourth proportional to 66,560.64, 91,853.86 and 36,346.22 is: 50,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,560.64 : 91,853.86 = 36,346.22 : x
  2. Step 2: Convert to fraction form
    66,560.64/91,853.86 = 36,346.22/x
  3. Step 3: Cross multiply
    66,560.64x = 91,853.86 × 36,346.22
  4. Step 4: Simplify right side
    66,560.64x = 3,338,540,603.41
  5. Step 5: Solve for x
    x = 3,338,540,603.41/66,560.64
  6. Step 6: Final answer
    x = 50,157.88

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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.