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Finding the Fourth Proportional to 17,459.24, 26,189.10 and 5,147.24

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Solution

The fourth proportional to 17,459.24, 26,189.10 and 5,147.24 is: 7,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,459.24 : 26,189.10 = 5,147.24 : x
  2. Step 2: Convert to fraction form
    17,459.24/26,189.10 = 5,147.24/x
  3. Step 3: Cross multiply
    17,459.24x = 26,189.10 × 5,147.24
  4. Step 4: Simplify right side
    17,459.24x = 134,801,583.08
  5. Step 5: Solve for x
    x = 134,801,583.08/17,459.24
  6. Step 6: Final answer
    x = 7,720.93

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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.