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Finding the Fourth Proportional to 1,993.68, 2,994.17 and 1,585.44

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Solution

The fourth proportional to 1,993.68, 2,994.17 and 1,585.44 is: 2,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.68 : 2,994.17 = 1,585.44 : x
  2. Step 2: Convert to fraction form
    1,993.68/2,994.17 = 1,585.44/x
  3. Step 3: Cross multiply
    1,993.68x = 2,994.17 × 1,585.44
  4. Step 4: Simplify right side
    1,993.68x = 4,747,068.96
  5. Step 5: Solve for x
    x = 4,747,068.96/1,993.68
  6. Step 6: Final answer
    x = 2,381.06

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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.