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Finding the Fourth Proportional to 9,895.32, 14,843.76 and 3,321.48

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Solution

The fourth proportional to 9,895.32, 14,843.76 and 3,321.48 is: 4,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.32 : 14,843.76 = 3,321.48 : x
  2. Step 2: Convert to fraction form
    9,895.32/14,843.76 = 3,321.48/x
  3. Step 3: Cross multiply
    9,895.32x = 14,843.76 × 3,321.48
  4. Step 4: Simplify right side
    9,895.32x = 49,303,251.96
  5. Step 5: Solve for x
    x = 49,303,251.96/9,895.32
  6. Step 6: Final answer
    x = 4,982.48

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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.