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Finding the Fourth Proportional to 17,274.08, 25,913.55 and 8,509.07

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Solution

The fourth proportional to 17,274.08, 25,913.55 and 8,509.07 is: 12,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,274.08 : 25,913.55 = 8,509.07 : x
  2. Step 2: Convert to fraction form
    17,274.08/25,913.55 = 8,509.07/x
  3. Step 3: Cross multiply
    17,274.08x = 25,913.55 × 8,509.07
  4. Step 4: Simplify right side
    17,274.08x = 220,500,210.90
  5. Step 5: Solve for x
    x = 220,500,210.90/17,274.08
  6. Step 6: Final answer
    x = 12,764.80

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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.