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Finding the Fourth Proportional to 3,583.53, 5,373.54 and 1,118.61

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Solution

The fourth proportional to 3,583.53, 5,373.54 and 1,118.61 is: 1,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.53 : 5,373.54 = 1,118.61 : x
  2. Step 2: Convert to fraction form
    3,583.53/5,373.54 = 1,118.61/x
  3. Step 3: Cross multiply
    3,583.53x = 5,373.54 × 1,118.61
  4. Step 4: Simplify right side
    3,583.53x = 6,010,895.58
  5. Step 5: Solve for x
    x = 6,010,895.58/3,583.53
  6. Step 6: Final answer
    x = 1,677.37

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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.