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Finding the Fourth Proportional to 1,816.39, 2,712.23 and 1,713.73

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Solution

The fourth proportional to 1,816.39, 2,712.23 and 1,713.73 is: 2,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.39 : 2,712.23 = 1,713.73 : x
  2. Step 2: Convert to fraction form
    1,816.39/2,712.23 = 1,713.73/x
  3. Step 3: Cross multiply
    1,816.39x = 2,712.23 × 1,713.73
  4. Step 4: Simplify right side
    1,816.39x = 4,648,034.20
  5. Step 5: Solve for x
    x = 4,648,034.20/1,816.39
  6. Step 6: Final answer
    x = 2,558.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.