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Finding the Fourth Proportional to 57,704, 79,633.44 and 35,343.68

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Solution

The fourth proportional to 57,704, 79,633.44 and 35,343.68 is: 48,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,704 : 79,633.44 = 35,343.68 : x
  2. Step 2: Convert to fraction form
    57,704/79,633.44 = 35,343.68/x
  3. Step 3: Cross multiply
    57,704x = 79,633.44 × 35,343.68
  4. Step 4: Simplify right side
    57,704x = 2,814,538,820.66
  5. Step 5: Solve for x
    x = 2,814,538,820.66/57,704
  6. Step 6: Final answer
    x = 48,775.45

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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.