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Finding the Fourth Proportional to 57,958.74, 79,978.68 and 35,295.24

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Solution

The fourth proportional to 57,958.74, 79,978.68 and 35,295.24 is: 48,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,958.74 : 79,978.68 = 35,295.24 : x
  2. Step 2: Convert to fraction form
    57,958.74/79,978.68 = 35,295.24/x
  3. Step 3: Cross multiply
    57,958.74x = 79,978.68 × 35,295.24
  4. Step 4: Simplify right side
    57,958.74x = 2,822,866,705.48
  5. Step 5: Solve for x
    x = 2,822,866,705.48/57,958.74
  6. Step 6: Final answer
    x = 48,704.76

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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.