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Finding the Fourth Proportional to 21,375.24, 32,062.86 and 5,792.86

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Solution

The fourth proportional to 21,375.24, 32,062.86 and 5,792.86 is: 8,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.24 : 32,062.86 = 5,792.86 : x
  2. Step 2: Convert to fraction form
    21,375.24/32,062.86 = 5,792.86/x
  3. Step 3: Cross multiply
    21,375.24x = 32,062.86 × 5,792.86
  4. Step 4: Simplify right side
    21,375.24x = 185,735,659.18
  5. Step 5: Solve for x
    x = 185,735,659.18/21,375.24
  6. Step 6: Final answer
    x = 8,689.29

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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.