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Finding the Fourth Proportional to 66,614.74, 91,925.48 and 36,399.58

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Solution

The fourth proportional to 66,614.74, 91,925.48 and 36,399.58 is: 50,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,614.74 : 91,925.48 = 36,399.58 : x
  2. Step 2: Convert to fraction form
    66,614.74/91,925.48 = 36,399.58/x
  3. Step 3: Cross multiply
    66,614.74x = 91,925.48 × 36,399.58
  4. Step 4: Simplify right side
    66,614.74x = 3,346,048,863.30
  5. Step 5: Solve for x
    x = 3,346,048,863.30/66,614.74
  6. Step 6: Final answer
    x = 50,229.86

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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.