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Finding the Fourth Proportional to 21,894.02, 32,845.84 and 7,104.44

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Solution

The fourth proportional to 21,894.02, 32,845.84 and 7,104.44 is: 10,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894.02 : 32,845.84 = 7,104.44 : x
  2. Step 2: Convert to fraction form
    21,894.02/32,845.84 = 7,104.44/x
  3. Step 3: Cross multiply
    21,894.02x = 32,845.84 × 7,104.44
  4. Step 4: Simplify right side
    21,894.02x = 233,351,299.53
  5. Step 5: Solve for x
    x = 233,351,299.53/21,894.02
  6. Step 6: Final answer
    x = 10,658.22

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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.