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Finding the Fourth Proportional to 3,593.43, 5,389.54 and 995.76

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Solution

The fourth proportional to 3,593.43, 5,389.54 and 995.76 is: 1,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.43 : 5,389.54 = 995.76 : x
  2. Step 2: Convert to fraction form
    3,593.43/5,389.54 = 995.76/x
  3. Step 3: Cross multiply
    3,593.43x = 5,389.54 × 995.76
  4. Step 4: Simplify right side
    3,593.43x = 5,366,685.86
  5. Step 5: Solve for x
    x = 5,366,685.86/3,593.43
  6. Step 6: Final answer
    x = 1,493.47

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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.