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Finding the Fourth Proportional to 61,841.66, 85,336.61 and 36,348.98

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Solution

The fourth proportional to 61,841.66, 85,336.61 and 36,348.98 is: 50,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,841.66 : 85,336.61 = 36,348.98 : x
  2. Step 2: Convert to fraction form
    61,841.66/85,336.61 = 36,348.98/x
  3. Step 3: Cross multiply
    61,841.66x = 85,336.61 × 36,348.98
  4. Step 4: Simplify right side
    61,841.66x = 3,101,898,121.73
  5. Step 5: Solve for x
    x = 3,101,898,121.73/61,841.66
  6. Step 6: Final answer
    x = 50,158.72

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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.