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Finding the Fourth Proportional to 16,188.48, 24,321.60 and 10,356.48

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Solution

The fourth proportional to 16,188.48, 24,321.60 and 10,356.48 is: 15,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.48 : 24,321.60 = 10,356.48 : x
  2. Step 2: Convert to fraction form
    16,188.48/24,321.60 = 10,356.48/x
  3. Step 3: Cross multiply
    16,188.48x = 24,321.60 × 10,356.48
  4. Step 4: Simplify right side
    16,188.48x = 251,886,163.97
  5. Step 5: Solve for x
    x = 251,886,163.97/16,188.48
  6. Step 6: Final answer
    x = 15,559.59

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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.