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Finding the Fourth Proportional to 1,994.93, 2,741.44 and 1,903.46

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Solution

The fourth proportional to 1,994.93, 2,741.44 and 1,903.46 is: 2,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.93 : 2,741.44 = 1,903.46 : x
  2. Step 2: Convert to fraction form
    1,994.93/2,741.44 = 1,903.46/x
  3. Step 3: Cross multiply
    1,994.93x = 2,741.44 × 1,903.46
  4. Step 4: Simplify right side
    1,994.93x = 5,218,215.58
  5. Step 5: Solve for x
    x = 5,218,215.58/1,994.93
  6. Step 6: Final answer
    x = 2,615.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.