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Finding the Fourth Proportional to 17,391.68, 26,090.76 and 7,004.24

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Solution

The fourth proportional to 17,391.68, 26,090.76 and 7,004.24 is: 10,507.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.68 : 26,090.76 = 7,004.24 : x
  2. Step 2: Convert to fraction form
    17,391.68/26,090.76 = 7,004.24/x
  3. Step 3: Cross multiply
    17,391.68x = 26,090.76 × 7,004.24
  4. Step 4: Simplify right side
    17,391.68x = 182,745,944.82
  5. Step 5: Solve for x
    x = 182,745,944.82/17,391.68
  6. Step 6: Final answer
    x = 10,507.66

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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.