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Finding the Fourth Proportional to 21,846.80, 32,773.80 and 7,059.44

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Solution

The fourth proportional to 21,846.80, 32,773.80 and 7,059.44 is: 10,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,846.80 : 32,773.80 = 7,059.44 : x
  2. Step 2: Convert to fraction form
    21,846.80/32,773.80 = 7,059.44/x
  3. Step 3: Cross multiply
    21,846.80x = 32,773.80 × 7,059.44
  4. Step 4: Simplify right side
    21,846.80x = 231,364,674.67
  5. Step 5: Solve for x
    x = 231,364,674.67/21,846.80
  6. Step 6: Final answer
    x = 10,590.32

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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.