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Finding the Fourth Proportional to 6,480.44, 9,720.66 and 1,800.26

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Solution

The fourth proportional to 6,480.44, 9,720.66 and 1,800.26 is: 2,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.44 : 9,720.66 = 1,800.26 : x
  2. Step 2: Convert to fraction form
    6,480.44/9,720.66 = 1,800.26/x
  3. Step 3: Cross multiply
    6,480.44x = 9,720.66 × 1,800.26
  4. Step 4: Simplify right side
    6,480.44x = 17,499,699.85
  5. Step 5: Solve for x
    x = 17,499,699.85/6,480.44
  6. Step 6: Final answer
    x = 2,700.39

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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.