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Finding the Fourth Proportional to 3,565.87, 5,343.81 and 1,483.63

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Solution

The fourth proportional to 3,565.87, 5,343.81 and 1,483.63 is: 2,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.87 : 5,343.81 = 1,483.63 : x
  2. Step 2: Convert to fraction form
    3,565.87/5,343.81 = 1,483.63/x
  3. Step 3: Cross multiply
    3,565.87x = 5,343.81 × 1,483.63
  4. Step 4: Simplify right side
    3,565.87x = 7,928,236.83
  5. Step 5: Solve for x
    x = 7,928,236.83/3,565.87
  6. Step 6: Final answer
    x = 2,223.37

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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.