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Finding the Fourth Proportional to 3,555.52, 5,334.05 and 1,090.52

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Solution

The fourth proportional to 3,555.52, 5,334.05 and 1,090.52 is: 1,636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.52 : 5,334.05 = 1,090.52 : x
  2. Step 2: Convert to fraction form
    3,555.52/5,334.05 = 1,090.52/x
  3. Step 3: Cross multiply
    3,555.52x = 5,334.05 × 1,090.52
  4. Step 4: Simplify right side
    3,555.52x = 5,816,888.21
  5. Step 5: Solve for x
    x = 5,816,888.21/3,555.52
  6. Step 6: Final answer
    x = 1,636.02

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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.