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Finding the Fourth Proportional to 57,262.74, 79,062 and 43,810.53

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Solution

The fourth proportional to 57,262.74, 79,062 and 43,810.53 is: 60,488.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,262.74 : 79,062 = 43,810.53 : x
  2. Step 2: Convert to fraction form
    57,262.74/79,062 = 43,810.53/x
  3. Step 3: Cross multiply
    57,262.74x = 79,062 × 43,810.53
  4. Step 4: Simplify right side
    57,262.74x = 3,463,748,122.86
  5. Step 5: Solve for x
    x = 3,463,748,122.86/57,262.74
  6. Step 6: Final answer
    x = 60,488.69

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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.