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Finding the Fourth Proportional to 3,673.68, 5,511.20 and 1,593.30

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Solution

The fourth proportional to 3,673.68, 5,511.20 and 1,593.30 is: 2,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.68 : 5,511.20 = 1,593.30 : x
  2. Step 2: Convert to fraction form
    3,673.68/5,511.20 = 1,593.30/x
  3. Step 3: Cross multiply
    3,673.68x = 5,511.20 × 1,593.30
  4. Step 4: Simplify right side
    3,673.68x = 8,780,994.96
  5. Step 5: Solve for x
    x = 8,780,994.96/3,673.68
  6. Step 6: Final answer
    x = 2,390.24

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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.