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Finding the Fourth Proportional to 3,550.36, 5,325.54 and 953.32

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Solution

The fourth proportional to 3,550.36, 5,325.54 and 953.32 is: 1,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.36 : 5,325.54 = 953.32 : x
  2. Step 2: Convert to fraction form
    3,550.36/5,325.54 = 953.32/x
  3. Step 3: Cross multiply
    3,550.36x = 5,325.54 × 953.32
  4. Step 4: Simplify right side
    3,550.36x = 5,076,943.79
  5. Step 5: Solve for x
    x = 5,076,943.79/3,550.36
  6. Step 6: Final answer
    x = 1,429.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.