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Finding the Fourth Proportional to 74,535.92, 111,804.96 and 21,933.44

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Solution

The fourth proportional to 74,535.92, 111,804.96 and 21,933.44 is: 32,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535.92 : 111,804.96 = 21,933.44 : x
  2. Step 2: Convert to fraction form
    74,535.92/111,804.96 = 21,933.44/x
  3. Step 3: Cross multiply
    74,535.92x = 111,804.96 × 21,933.44
  4. Step 4: Simplify right side
    74,535.92x = 2,452,267,381.86
  5. Step 5: Solve for x
    x = 2,452,267,381.86/74,535.92
  6. Step 6: Final answer
    x = 32,900.48

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1.5x scale

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.