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Finding the Fourth Proportional to 1,064.08, 1,596.12 and 550.48

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Solution

The fourth proportional to 1,064.08, 1,596.12 and 550.48 is: 825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.08 : 1,596.12 = 550.48 : x
  2. Step 2: Convert to fraction form
    1,064.08/1,596.12 = 550.48/x
  3. Step 3: Cross multiply
    1,064.08x = 1,596.12 × 550.48
  4. Step 4: Simplify right side
    1,064.08x = 878,632.14
  5. Step 5: Solve for x
    x = 878,632.14/1,064.08
  6. Step 6: Final answer
    x = 825.72

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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.