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Finding the Fourth Proportional to 57,356.39, 79,180.60 and 35,858.08

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Solution

The fourth proportional to 57,356.39, 79,180.60 and 35,858.08 is: 49,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,356.39 : 79,180.60 = 35,858.08 : x
  2. Step 2: Convert to fraction form
    57,356.39/79,180.60 = 35,858.08/x
  3. Step 3: Cross multiply
    57,356.39x = 79,180.60 × 35,858.08
  4. Step 4: Simplify right side
    57,356.39x = 2,839,264,289.25
  5. Step 5: Solve for x
    x = 2,839,264,289.25/57,356.39
  6. Step 6: Final answer
    x = 49,502.14

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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.