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Finding the Fourth Proportional to 21,922.03, 32,882.84 and 9,450.86

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Solution

The fourth proportional to 21,922.03, 32,882.84 and 9,450.86 is: 14,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.03 : 32,882.84 = 9,450.86 : x
  2. Step 2: Convert to fraction form
    21,922.03/32,882.84 = 9,450.86/x
  3. Step 3: Cross multiply
    21,922.03x = 32,882.84 × 9,450.86
  4. Step 4: Simplify right side
    21,922.03x = 310,771,152.20
  5. Step 5: Solve for x
    x = 310,771,152.20/21,922.03
  6. Step 6: Final answer
    x = 14,176.20

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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.