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Finding the Fourth Proportional to 17,090.46, 25,637.04 and 5,403.51

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Solution

The fourth proportional to 17,090.46, 25,637.04 and 5,403.51 is: 8,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.46 : 25,637.04 = 5,403.51 : x
  2. Step 2: Convert to fraction form
    17,090.46/25,637.04 = 5,403.51/x
  3. Step 3: Cross multiply
    17,090.46x = 25,637.04 × 5,403.51
  4. Step 4: Simplify right side
    17,090.46x = 138,530,002.01
  5. Step 5: Solve for x
    x = 138,530,002.01/17,090.46
  6. Step 6: Final answer
    x = 8,105.69

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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.