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Finding the Fourth Proportional to 3,657.56, 5,485.24 and 1,024.43

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Solution

The fourth proportional to 3,657.56, 5,485.24 and 1,024.43 is: 1,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.56 : 5,485.24 = 1,024.43 : x
  2. Step 2: Convert to fraction form
    3,657.56/5,485.24 = 1,024.43/x
  3. Step 3: Cross multiply
    3,657.56x = 5,485.24 × 1,024.43
  4. Step 4: Simplify right side
    3,657.56x = 5,619,244.41
  5. Step 5: Solve for x
    x = 5,619,244.41/3,657.56
  6. Step 6: Final answer
    x = 1,536.34

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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.