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Finding the Fourth Proportional to 57,740.43, 79,664.37 and 33,536.72

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Solution

The fourth proportional to 57,740.43, 79,664.37 and 33,536.72 is: 46,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740.43 : 79,664.37 = 33,536.72 : x
  2. Step 2: Convert to fraction form
    57,740.43/79,664.37 = 33,536.72/x
  3. Step 3: Cross multiply
    57,740.43x = 79,664.37 × 33,536.72
  4. Step 4: Simplify right side
    57,740.43x = 2,671,681,670.67
  5. Step 5: Solve for x
    x = 2,671,681,670.67/57,740.43
  6. Step 6: Final answer
    x = 46,270.55

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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.