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Finding the Fourth Proportional to 17,310.54, 25,969.65 and 8,071.50

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Solution

The fourth proportional to 17,310.54, 25,969.65 and 8,071.50 is: 12,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310.54 : 25,969.65 = 8,071.50 : x
  2. Step 2: Convert to fraction form
    17,310.54/25,969.65 = 8,071.50/x
  3. Step 3: Cross multiply
    17,310.54x = 25,969.65 × 8,071.50
  4. Step 4: Simplify right side
    17,310.54x = 209,614,029.98
  5. Step 5: Solve for x
    x = 209,614,029.98/17,310.54
  6. Step 6: Final answer
    x = 12,109.04

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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.