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Finding the Fourth Proportional to 3,582.96, 5,379.12 and 3,369.12

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Solution

The fourth proportional to 3,582.96, 5,379.12 and 3,369.12 is: 5,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.96 : 5,379.12 = 3,369.12 : x
  2. Step 2: Convert to fraction form
    3,582.96/5,379.12 = 3,369.12/x
  3. Step 3: Cross multiply
    3,582.96x = 5,379.12 × 3,369.12
  4. Step 4: Simplify right side
    3,582.96x = 18,122,900.77
  5. Step 5: Solve for x
    x = 18,122,900.77/3,582.96
  6. Step 6: Final answer
    x = 5,058.08

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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.