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Finding the Fourth Proportional to 3,649.93, 5,475.20 and 1,569.98

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Solution

The fourth proportional to 3,649.93, 5,475.20 and 1,569.98 is: 2,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.93 : 5,475.20 = 1,569.98 : x
  2. Step 2: Convert to fraction form
    3,649.93/5,475.20 = 1,569.98/x
  3. Step 3: Cross multiply
    3,649.93x = 5,475.20 × 1,569.98
  4. Step 4: Simplify right side
    3,649.93x = 8,595,960.33
  5. Step 5: Solve for x
    x = 8,595,960.33/3,649.93
  6. Step 6: Final answer
    x = 2,355.10

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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.