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Finding the Fourth Proportional to 57,497.60, 79,356.08 and 33,619.60

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Solution

The fourth proportional to 57,497.60, 79,356.08 and 33,619.60 is: 46,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,497.60 : 79,356.08 = 33,619.60 : x
  2. Step 2: Convert to fraction form
    57,497.60/79,356.08 = 33,619.60/x
  3. Step 3: Cross multiply
    57,497.60x = 79,356.08 × 33,619.60
  4. Step 4: Simplify right side
    57,497.60x = 2,667,919,667.17
  5. Step 5: Solve for x
    x = 2,667,919,667.17/57,497.60
  6. Step 6: Final answer
    x = 46,400.54

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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.