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Finding the Fourth Proportional to 52,879.88, 72,974.04 and 32,732.75

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Solution

The fourth proportional to 52,879.88, 72,974.04 and 32,732.75 is: 45,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.88 : 72,974.04 = 32,732.75 : x
  2. Step 2: Convert to fraction form
    52,879.88/72,974.04 = 32,732.75/x
  3. Step 3: Cross multiply
    52,879.88x = 72,974.04 × 32,732.75
  4. Step 4: Simplify right side
    52,879.88x = 2,388,641,007.81
  5. Step 5: Solve for x
    x = 2,388,641,007.81/52,879.88
  6. Step 6: Final answer
    x = 45,171.07

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1.5x scale

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.