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Finding the Fourth Proportional to 12,244.76, 18,353 and 5,571.24

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Solution

The fourth proportional to 12,244.76, 18,353 and 5,571.24 is: 8,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.76 : 18,353 = 5,571.24 : x
  2. Step 2: Convert to fraction form
    12,244.76/18,353 = 5,571.24/x
  3. Step 3: Cross multiply
    12,244.76x = 18,353 × 5,571.24
  4. Step 4: Simplify right side
    12,244.76x = 102,248,967.72
  5. Step 5: Solve for x
    x = 102,248,967.72/12,244.76
  6. Step 6: Final answer
    x = 8,350.43

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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.