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Finding the Fourth Proportional to 21,586.78, 32,380.23 and 6,004.42

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Solution

The fourth proportional to 21,586.78, 32,380.23 and 6,004.42 is: 9,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.78 : 32,380.23 = 6,004.42 : x
  2. Step 2: Convert to fraction form
    21,586.78/32,380.23 = 6,004.42/x
  3. Step 3: Cross multiply
    21,586.78x = 32,380.23 × 6,004.42
  4. Step 4: Simplify right side
    21,586.78x = 194,424,500.62
  5. Step 5: Solve for x
    x = 194,424,500.62/21,586.78
  6. Step 6: Final answer
    x = 9,006.65

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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.