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Finding the Fourth Proportional to 57,804.53, 79,773.27 and 35,139.81

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Solution

The fourth proportional to 57,804.53, 79,773.27 and 35,139.81 is: 48,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,804.53 : 79,773.27 = 35,139.81 : x
  2. Step 2: Convert to fraction form
    57,804.53/79,773.27 = 35,139.81/x
  3. Step 3: Cross multiply
    57,804.53x = 79,773.27 × 35,139.81
  4. Step 4: Simplify right side
    57,804.53x = 2,803,217,550.88
  5. Step 5: Solve for x
    x = 2,803,217,550.88/57,804.53
  6. Step 6: Final answer
    x = 48,494.78

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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.