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Finding the Fourth Proportional to 1,703.72, 2,350.34 and 995.59

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Solution

The fourth proportional to 1,703.72, 2,350.34 and 995.59 is: 1,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.72 : 2,350.34 = 995.59 : x
  2. Step 2: Convert to fraction form
    1,703.72/2,350.34 = 995.59/x
  3. Step 3: Cross multiply
    1,703.72x = 2,350.34 × 995.59
  4. Step 4: Simplify right side
    1,703.72x = 2,339,988.90
  5. Step 5: Solve for x
    x = 2,339,988.90/1,703.72
  6. Step 6: Final answer
    x = 1,373.46

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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.