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Finding the Fourth Proportional to 3,550.44, 5,325.98 and 953.36

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Solution

The fourth proportional to 3,550.44, 5,325.98 and 953.36 is: 1,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.44 : 5,325.98 = 953.36 : x
  2. Step 2: Convert to fraction form
    3,550.44/5,325.98 = 953.36/x
  3. Step 3: Cross multiply
    3,550.44x = 5,325.98 × 953.36
  4. Step 4: Simplify right side
    3,550.44x = 5,077,576.29
  5. Step 5: Solve for x
    x = 5,077,576.29/3,550.44
  6. Step 6: Final answer
    x = 1,430.13

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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.