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Finding the Fourth Proportional to 56,664.76, 78,213.84 and 37,801.84

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Solution

The fourth proportional to 56,664.76, 78,213.84 and 37,801.84 is: 52,177.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,664.76 : 78,213.84 = 37,801.84 : x
  2. Step 2: Convert to fraction form
    56,664.76/78,213.84 = 37,801.84/x
  3. Step 3: Cross multiply
    56,664.76x = 78,213.84 × 37,801.84
  4. Step 4: Simplify right side
    56,664.76x = 2,956,627,065.47
  5. Step 5: Solve for x
    x = 2,956,627,065.47/56,664.76
  6. Step 6: Final answer
    x = 52,177.53

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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.