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Finding the Fourth Proportional to 21,951.09, 32,926.46 and 8,803.26

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Solution

The fourth proportional to 21,951.09, 32,926.46 and 8,803.26 is: 13,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,951.09 : 32,926.46 = 8,803.26 : x
  2. Step 2: Convert to fraction form
    21,951.09/32,926.46 = 8,803.26/x
  3. Step 3: Cross multiply
    21,951.09x = 32,926.46 × 8,803.26
  4. Step 4: Simplify right side
    21,951.09x = 289,860,144.24
  5. Step 5: Solve for x
    x = 289,860,144.24/21,951.09
  6. Step 6: Final answer
    x = 13,204.82

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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.