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Finding the Fourth Proportional to 57,903.14, 79,918.78 and 35,249.60

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Solution

The fourth proportional to 57,903.14, 79,918.78 and 35,249.60 is: 48,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,903.14 : 79,918.78 = 35,249.60 : x
  2. Step 2: Convert to fraction form
    57,903.14/79,918.78 = 35,249.60/x
  3. Step 3: Cross multiply
    57,903.14x = 79,918.78 × 35,249.60
  4. Step 4: Simplify right side
    57,903.14x = 2,817,104,605.86
  5. Step 5: Solve for x
    x = 2,817,104,605.86/57,903.14
  6. Step 6: Final answer
    x = 48,652.02

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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.