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Finding the Fourth Proportional to 52,796.58, 79,194.87 and 42,387.54

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Solution

The fourth proportional to 52,796.58, 79,194.87 and 42,387.54 is: 63,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,796.58 : 79,194.87 = 42,387.54 : x
  2. Step 2: Convert to fraction form
    52,796.58/79,194.87 = 42,387.54/x
  3. Step 3: Cross multiply
    52,796.58x = 79,194.87 × 42,387.54
  4. Step 4: Simplify right side
    52,796.58x = 3,356,875,719.92
  5. Step 5: Solve for x
    x = 3,356,875,719.92/52,796.58
  6. Step 6: Final answer
    x = 63,581.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.