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Finding the Fourth Proportional to 61,996.91, 85,565.08 and 37,811.91

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Solution

The fourth proportional to 61,996.91, 85,565.08 and 37,811.91 is: 52,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,996.91 : 85,565.08 = 37,811.91 : x
  2. Step 2: Convert to fraction form
    61,996.91/85,565.08 = 37,811.91/x
  3. Step 3: Cross multiply
    61,996.91x = 85,565.08 × 37,811.91
  4. Step 4: Simplify right side
    61,996.91x = 3,235,379,009.57
  5. Step 5: Solve for x
    x = 3,235,379,009.57/61,996.91
  6. Step 6: Final answer
    x = 52,186.13

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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.