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Finding the Fourth Proportional to 57,797.77, 86,714.13 and 40,963.34

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Solution

The fourth proportional to 57,797.77, 86,714.13 and 40,963.34 is: 61,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,797.77 : 86,714.13 = 40,963.34 : x
  2. Step 2: Convert to fraction form
    57,797.77/86,714.13 = 40,963.34/x
  3. Step 3: Cross multiply
    57,797.77x = 86,714.13 × 40,963.34
  4. Step 4: Simplify right side
    57,797.77x = 3,552,099,956.42
  5. Step 5: Solve for x
    x = 3,552,099,956.42/57,797.77
  6. Step 6: Final answer
    x = 61,457.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.