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Finding the Fourth Proportional to 40,662.79, 56,114.63 and 22,757.79

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Solution

The fourth proportional to 40,662.79, 56,114.63 and 22,757.79 is: 31,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,662.79 : 56,114.63 = 22,757.79 : x
  2. Step 2: Convert to fraction form
    40,662.79/56,114.63 = 22,757.79/x
  3. Step 3: Cross multiply
    40,662.79x = 56,114.63 × 22,757.79
  4. Step 4: Simplify right side
    40,662.79x = 1,277,044,965.47
  5. Step 5: Solve for x
    x = 1,277,044,965.47/40,662.79
  6. Step 6: Final answer
    x = 31,405.74

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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.