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Finding the Fourth Proportional to 9,322.46, 13,986.12 and 3,479.12

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Solution

The fourth proportional to 9,322.46, 13,986.12 and 3,479.12 is: 5,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.46 : 13,986.12 = 3,479.12 : x
  2. Step 2: Convert to fraction form
    9,322.46/13,986.12 = 3,479.12/x
  3. Step 3: Cross multiply
    9,322.46x = 13,986.12 × 3,479.12
  4. Step 4: Simplify right side
    9,322.46x = 48,659,389.81
  5. Step 5: Solve for x
    x = 48,659,389.81/9,322.46
  6. Step 6: Final answer
    x = 5,219.59

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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.