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Finding the Fourth Proportional to 66,910.63, 92,337.86 and 36,695.69

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Solution

The fourth proportional to 66,910.63, 92,337.86 and 36,695.69 is: 50,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.63 : 92,337.86 = 36,695.69 : x
  2. Step 2: Convert to fraction form
    66,910.63/92,337.86 = 36,695.69/x
  3. Step 3: Cross multiply
    66,910.63x = 92,337.86 × 36,695.69
  4. Step 4: Simplify right side
    66,910.63x = 3,388,401,515.43
  5. Step 5: Solve for x
    x = 3,388,401,515.43/66,910.63
  6. Step 6: Final answer
    x = 50,640.70

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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.