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Finding the Fourth Proportional to 8,449.26, 11,656.26 and 5,090.10

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Solution

The fourth proportional to 8,449.26, 11,656.26 and 5,090.10 is: 7,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.26 : 11,656.26 = 5,090.10 : x
  2. Step 2: Convert to fraction form
    8,449.26/11,656.26 = 5,090.10/x
  3. Step 3: Cross multiply
    8,449.26x = 11,656.26 × 5,090.10
  4. Step 4: Simplify right side
    8,449.26x = 59,331,529.03
  5. Step 5: Solve for x
    x = 59,331,529.03/8,449.26
  6. Step 6: Final answer
    x = 7,022.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.