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Finding the Fourth Proportional to 1,703.64, 2,350.41 and 995.39

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Solution

The fourth proportional to 1,703.64, 2,350.41 and 995.39 is: 1,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.64 : 2,350.41 = 995.39 : x
  2. Step 2: Convert to fraction form
    1,703.64/2,350.41 = 995.39/x
  3. Step 3: Cross multiply
    1,703.64x = 2,350.41 × 995.39
  4. Step 4: Simplify right side
    1,703.64x = 2,339,562.86
  5. Step 5: Solve for x
    x = 2,339,562.86/1,703.64
  6. Step 6: Final answer
    x = 1,373.27

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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.