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Finding the Fourth Proportional to 17,130.01, 25,700.19 and 8,131.03

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Solution

The fourth proportional to 17,130.01, 25,700.19 and 8,131.03 is: 12,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.01 : 25,700.19 = 8,131.03 : x
  2. Step 2: Convert to fraction form
    17,130.01/25,700.19 = 8,131.03/x
  3. Step 3: Cross multiply
    17,130.01x = 25,700.19 × 8,131.03
  4. Step 4: Simplify right side
    17,130.01x = 208,969,015.90
  5. Step 5: Solve for x
    x = 208,969,015.90/17,130.01
  6. Step 6: Final answer
    x = 12,199.00

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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.