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Finding the Fourth Proportional to 5,480.48, 8,224.48 and 2,559.12

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Solution

The fourth proportional to 5,480.48, 8,224.48 and 2,559.12 is: 3,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.48 : 8,224.48 = 2,559.12 : x
  2. Step 2: Convert to fraction form
    5,480.48/8,224.48 = 2,559.12/x
  3. Step 3: Cross multiply
    5,480.48x = 8,224.48 × 2,559.12
  4. Step 4: Simplify right side
    5,480.48x = 21,047,431.26
  5. Step 5: Solve for x
    x = 21,047,431.26/5,480.48
  6. Step 6: Final answer
    x = 3,840.44

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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.