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Finding the Fourth Proportional to 5,919.54, 8,879.10 and 1,477.24

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Solution

The fourth proportional to 5,919.54, 8,879.10 and 1,477.24 is: 2,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.54 : 8,879.10 = 1,477.24 : x
  2. Step 2: Convert to fraction form
    5,919.54/8,879.10 = 1,477.24/x
  3. Step 3: Cross multiply
    5,919.54x = 8,879.10 × 1,477.24
  4. Step 4: Simplify right side
    5,919.54x = 13,116,561.68
  5. Step 5: Solve for x
    x = 13,116,561.68/5,919.54
  6. Step 6: Final answer
    x = 2,215.81

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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.