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Finding the Fourth Proportional to 1,694.39, 2,338.00 and 995.63

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Solution

The fourth proportional to 1,694.39, 2,338.00 and 995.63 is: 1,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.39 : 2,338.00 = 995.63 : x
  2. Step 2: Convert to fraction form
    1,694.39/2,338.00 = 995.63/x
  3. Step 3: Cross multiply
    1,694.39x = 2,338.00 × 995.63
  4. Step 4: Simplify right side
    1,694.39x = 2,327,768.76
  5. Step 5: Solve for x
    x = 2,327,768.76/1,694.39
  6. Step 6: Final answer
    x = 1,373.81

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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.