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Finding the Fourth Proportional to 16,153.44, 24,249.60 and 9,621.60

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Solution

The fourth proportional to 16,153.44, 24,249.60 and 9,621.60 is: 14,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,153.44 : 24,249.60 = 9,621.60 : x
  2. Step 2: Convert to fraction form
    16,153.44/24,249.60 = 9,621.60/x
  3. Step 3: Cross multiply
    16,153.44x = 24,249.60 × 9,621.60
  4. Step 4: Simplify right side
    16,153.44x = 233,319,951.36
  5. Step 5: Solve for x
    x = 233,319,951.36/16,153.44
  6. Step 6: Final answer
    x = 14,443.98

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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.