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Finding the Fourth Proportional to 2,186.48, 3,273.23 and 1,970.48

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Solution

The fourth proportional to 2,186.48, 3,273.23 and 1,970.48 is: 2,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.48 : 3,273.23 = 1,970.48 : x
  2. Step 2: Convert to fraction form
    2,186.48/3,273.23 = 1,970.48/x
  3. Step 3: Cross multiply
    2,186.48x = 3,273.23 × 1,970.48
  4. Step 4: Simplify right side
    2,186.48x = 6,449,808.03
  5. Step 5: Solve for x
    x = 6,449,808.03/2,186.48
  6. Step 6: Final answer
    x = 2,949.87

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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.