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Finding the Fourth Proportional to 66,782.58, 100,150.18 and 24,653.68

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Solution

The fourth proportional to 66,782.58, 100,150.18 and 24,653.68 is: 36,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,782.58 : 100,150.18 = 24,653.68 : x
  2. Step 2: Convert to fraction form
    66,782.58/100,150.18 = 24,653.68/x
  3. Step 3: Cross multiply
    66,782.58x = 100,150.18 × 24,653.68
  4. Step 4: Simplify right side
    66,782.58x = 2,469,070,489.66
  5. Step 5: Solve for x
    x = 2,469,070,489.66/66,782.58
  6. Step 6: Final answer
    x = 36,971.77

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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.