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Finding the Fourth Proportional to 3,550.06, 5,324.67 and 953.20

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Solution

The fourth proportional to 3,550.06, 5,324.67 and 953.20 is: 1,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.06 : 5,324.67 = 953.20 : x
  2. Step 2: Convert to fraction form
    3,550.06/5,324.67 = 953.20/x
  3. Step 3: Cross multiply
    3,550.06x = 5,324.67 × 953.20
  4. Step 4: Simplify right side
    3,550.06x = 5,075,475.44
  5. Step 5: Solve for x
    x = 5,075,475.44/3,550.06
  6. Step 6: Final answer
    x = 1,429.69

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1.5x scale

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.