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Finding the Fourth Proportional to 21,575.26, 32,362.88 and 5,992.88

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Solution

The fourth proportional to 21,575.26, 32,362.88 and 5,992.88 is: 8,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.26 : 32,362.88 = 5,992.88 : x
  2. Step 2: Convert to fraction form
    21,575.26/32,362.88 = 5,992.88/x
  3. Step 3: Cross multiply
    21,575.26x = 32,362.88 × 5,992.88
  4. Step 4: Simplify right side
    21,575.26x = 193,946,856.29
  5. Step 5: Solve for x
    x = 193,946,856.29/21,575.26
  6. Step 6: Final answer
    x = 8,989.32

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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.