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Finding the Fourth Proportional to 3,673.96, 5,511.80 and 1,333.56

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Solution

The fourth proportional to 3,673.96, 5,511.80 and 1,333.56 is: 2,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.96 : 5,511.80 = 1,333.56 : x
  2. Step 2: Convert to fraction form
    3,673.96/5,511.80 = 1,333.56/x
  3. Step 3: Cross multiply
    3,673.96x = 5,511.80 × 1,333.56
  4. Step 4: Simplify right side
    3,673.96x = 7,350,332.51
  5. Step 5: Solve for x
    x = 7,350,332.51/3,673.96
  6. Step 6: Final answer
    x = 2,000.66

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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.