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Finding the Fourth Proportional to 29,525.30, 44,339.15 and 20,821.30

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Solution

The fourth proportional to 29,525.30, 44,339.15 and 20,821.30 is: 31,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,525.30 : 44,339.15 = 20,821.30 : x
  2. Step 2: Convert to fraction form
    29,525.30/44,339.15 = 20,821.30/x
  3. Step 3: Cross multiply
    29,525.30x = 44,339.15 × 20,821.30
  4. Step 4: Simplify right side
    29,525.30x = 923,198,743.90
  5. Step 5: Solve for x
    x = 923,198,743.90/29,525.30
  6. Step 6: Final answer
    x = 31,268.06

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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.