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Finding the Fourth Proportional to 1,994.47, 2,753.10 and 1,713.58

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Solution

The fourth proportional to 1,994.47, 2,753.10 and 1,713.58 is: 2,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.47 : 2,753.10 = 1,713.58 : x
  2. Step 2: Convert to fraction form
    1,994.47/2,753.10 = 1,713.58/x
  3. Step 3: Cross multiply
    1,994.47x = 2,753.10 × 1,713.58
  4. Step 4: Simplify right side
    1,994.47x = 4,717,650.22
  5. Step 5: Solve for x
    x = 4,717,650.22/1,994.47
  6. Step 6: Final answer
    x = 2,365.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.