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Finding the Fourth Proportional to 17,090.20, 25,632.90 and 5,404.60

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Solution

The fourth proportional to 17,090.20, 25,632.90 and 5,404.60 is: 8,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.20 : 25,632.90 = 5,404.60 : x
  2. Step 2: Convert to fraction form
    17,090.20/25,632.90 = 5,404.60/x
  3. Step 3: Cross multiply
    17,090.20x = 25,632.90 × 5,404.60
  4. Step 4: Simplify right side
    17,090.20x = 138,535,571.34
  5. Step 5: Solve for x
    x = 138,535,571.34/17,090.20
  6. Step 6: Final answer
    x = 8,106.14

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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.