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Finding the Fourth Proportional to 3,666.72, 5,500.26 and 1,357.68

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Solution

The fourth proportional to 3,666.72, 5,500.26 and 1,357.68 is: 2,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.72 : 5,500.26 = 1,357.68 : x
  2. Step 2: Convert to fraction form
    3,666.72/5,500.26 = 1,357.68/x
  3. Step 3: Cross multiply
    3,666.72x = 5,500.26 × 1,357.68
  4. Step 4: Simplify right side
    3,666.72x = 7,467,593.00
  5. Step 5: Solve for x
    x = 7,467,593.00/3,666.72
  6. Step 6: Final answer
    x = 2,036.59

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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.