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Finding the Fourth Proportional to 61,706.69, 85,164.32 and 36,227.11

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Solution

The fourth proportional to 61,706.69, 85,164.32 and 36,227.11 is: 49,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,706.69 : 85,164.32 = 36,227.11 : x
  2. Step 2: Convert to fraction form
    61,706.69/85,164.32 = 36,227.11/x
  3. Step 3: Cross multiply
    61,706.69x = 85,164.32 × 36,227.11
  4. Step 4: Simplify right side
    61,706.69x = 3,085,257,188.72
  5. Step 5: Solve for x
    x = 3,085,257,188.72/61,706.69
  6. Step 6: Final answer
    x = 49,998.75

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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.