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Finding the Fourth Proportional to 61,392.98, 84,716.41 and 37,543.75

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Solution

The fourth proportional to 61,392.98, 84,716.41 and 37,543.75 is: 51,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,392.98 : 84,716.41 = 37,543.75 : x
  2. Step 2: Convert to fraction form
    61,392.98/84,716.41 = 37,543.75/x
  3. Step 3: Cross multiply
    61,392.98x = 84,716.41 × 37,543.75
  4. Step 4: Simplify right side
    61,392.98x = 3,180,571,717.94
  5. Step 5: Solve for x
    x = 3,180,571,717.94/61,392.98
  6. Step 6: Final answer
    x = 51,806.77

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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.