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Finding the Fourth Proportional to 3,596.78, 5,394.57 and 999.02

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Solution

The fourth proportional to 3,596.78, 5,394.57 and 999.02 is: 1,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596.78 : 5,394.57 = 999.02 : x
  2. Step 2: Convert to fraction form
    3,596.78/5,394.57 = 999.02/x
  3. Step 3: Cross multiply
    3,596.78x = 5,394.57 × 999.02
  4. Step 4: Simplify right side
    3,596.78x = 5,389,283.32
  5. Step 5: Solve for x
    x = 5,389,283.32/3,596.78
  6. Step 6: Final answer
    x = 1,498.36

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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.