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Finding the Fourth Proportional to 17,090.60, 25,656.70 and 10,850.60

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Solution

The fourth proportional to 17,090.60, 25,656.70 and 10,850.60 is: 16,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.60 : 25,656.70 = 10,850.60 : x
  2. Step 2: Convert to fraction form
    17,090.60/25,656.70 = 10,850.60/x
  3. Step 3: Cross multiply
    17,090.60x = 25,656.70 × 10,850.60
  4. Step 4: Simplify right side
    17,090.60x = 278,390,589.02
  5. Step 5: Solve for x
    x = 278,390,589.02/17,090.60
  6. Step 6: Final answer
    x = 16,289.11

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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.