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Finding the Fourth Proportional to 2,381.93, 3,574.19 and 995.39

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Solution

The fourth proportional to 2,381.93, 3,574.19 and 995.39 is: 1,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.93 : 3,574.19 = 995.39 : x
  2. Step 2: Convert to fraction form
    2,381.93/3,574.19 = 995.39/x
  3. Step 3: Cross multiply
    2,381.93x = 3,574.19 × 995.39
  4. Step 4: Simplify right side
    2,381.93x = 3,557,712.98
  5. Step 5: Solve for x
    x = 3,557,712.98/2,381.93
  6. Step 6: Final answer
    x = 1,493.63

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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.