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Finding the Fourth Proportional to 17,272.94, 25,911.03 and 6,885.50

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Solution

The fourth proportional to 17,272.94, 25,911.03 and 6,885.50 is: 10,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.94 : 25,911.03 = 6,885.50 : x
  2. Step 2: Convert to fraction form
    17,272.94/25,911.03 = 6,885.50/x
  3. Step 3: Cross multiply
    17,272.94x = 25,911.03 × 6,885.50
  4. Step 4: Simplify right side
    17,272.94x = 178,410,397.07
  5. Step 5: Solve for x
    x = 178,410,397.07/17,272.94
  6. Step 6: Final answer
    x = 10,328.90

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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.