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Finding the Fourth Proportional to 3,650.09, 5,475.17 and 1,053.02

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Solution

The fourth proportional to 3,650.09, 5,475.17 and 1,053.02 is: 1,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.09 : 5,475.17 = 1,053.02 : x
  2. Step 2: Convert to fraction form
    3,650.09/5,475.17 = 1,053.02/x
  3. Step 3: Cross multiply
    3,650.09x = 5,475.17 × 1,053.02
  4. Step 4: Simplify right side
    3,650.09x = 5,765,479.83
  5. Step 5: Solve for x
    x = 5,765,479.83/3,650.09
  6. Step 6: Final answer
    x = 1,579.55

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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.