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Finding the Fourth Proportional to 61,877.25, 85,412.75 and 36,726.75

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Solution

The fourth proportional to 61,877.25, 85,412.75 and 36,726.75 is: 50,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,877.25 : 85,412.75 = 36,726.75 : x
  2. Step 2: Convert to fraction form
    61,877.25/85,412.75 = 36,726.75/x
  3. Step 3: Cross multiply
    61,877.25x = 85,412.75 × 36,726.75
  4. Step 4: Simplify right side
    61,877.25x = 3,136,932,532.43
  5. Step 5: Solve for x
    x = 3,136,932,532.43/61,877.25
  6. Step 6: Final answer
    x = 50,696.06

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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.