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Finding the Fourth Proportional to 3,599.74, 5,400.32 and 1,135.32

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Solution

The fourth proportional to 3,599.74, 5,400.32 and 1,135.32 is: 1,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.74 : 5,400.32 = 1,135.32 : x
  2. Step 2: Convert to fraction form
    3,599.74/5,400.32 = 1,135.32/x
  3. Step 3: Cross multiply
    3,599.74x = 5,400.32 × 1,135.32
  4. Step 4: Simplify right side
    3,599.74x = 6,131,071.76
  5. Step 5: Solve for x
    x = 6,131,071.76/3,599.74
  6. Step 6: Final answer
    x = 1,703.20

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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.