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Finding the Fourth Proportional to 56,891.66, 78,466.00 and 36,750.61

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Solution

The fourth proportional to 56,891.66, 78,466.00 and 36,750.61 is: 50,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,891.66 : 78,466.00 = 36,750.61 : x
  2. Step 2: Convert to fraction form
    56,891.66/78,466.00 = 36,750.61/x
  3. Step 3: Cross multiply
    56,891.66x = 78,466.00 × 36,750.61
  4. Step 4: Simplify right side
    56,891.66x = 2,883,672,788.18
  5. Step 5: Solve for x
    x = 2,883,672,788.18/56,891.66
  6. Step 6: Final answer
    x = 50,687.09

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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.