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Finding the Fourth Proportional to 9,571.89, 14,352.21 and 3,721.62

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Solution

The fourth proportional to 9,571.89, 14,352.21 and 3,721.62 is: 5,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.89 : 14,352.21 = 3,721.62 : x
  2. Step 2: Convert to fraction form
    9,571.89/14,352.21 = 3,721.62/x
  3. Step 3: Cross multiply
    9,571.89x = 14,352.21 × 3,721.62
  4. Step 4: Simplify right side
    9,571.89x = 53,413,471.78
  5. Step 5: Solve for x
    x = 53,413,471.78/9,571.89
  6. Step 6: Final answer
    x = 5,580.24

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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.