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Finding the Fourth Proportional to 5,448.70, 8,173.13 and 1,344.70

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Solution

The fourth proportional to 5,448.70, 8,173.13 and 1,344.70 is: 2,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.70 : 8,173.13 = 1,344.70 : x
  2. Step 2: Convert to fraction form
    5,448.70/8,173.13 = 1,344.70/x
  3. Step 3: Cross multiply
    5,448.70x = 8,173.13 × 1,344.70
  4. Step 4: Simplify right side
    5,448.70x = 10,990,407.91
  5. Step 5: Solve for x
    x = 10,990,407.91/5,448.70
  6. Step 6: Final answer
    x = 2,017.07

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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.