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Finding the Fourth Proportional to 21,374.75, 32,062.11 and 5,792.37

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Solution

The fourth proportional to 21,374.75, 32,062.11 and 5,792.37 is: 8,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.75 : 32,062.11 = 5,792.37 : x
  2. Step 2: Convert to fraction form
    21,374.75/32,062.11 = 5,792.37/x
  3. Step 3: Cross multiply
    21,374.75x = 32,062.11 × 5,792.37
  4. Step 4: Simplify right side
    21,374.75x = 185,715,604.10
  5. Step 5: Solve for x
    x = 185,715,604.10/21,374.75
  6. Step 6: Final answer
    x = 8,688.55

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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.