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Finding the Fourth Proportional to 17,156.84, 25,734.98 and 6,768.68

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Solution

The fourth proportional to 17,156.84, 25,734.98 and 6,768.68 is: 10,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.84 : 25,734.98 = 6,768.68 : x
  2. Step 2: Convert to fraction form
    17,156.84/25,734.98 = 6,768.68/x
  3. Step 3: Cross multiply
    17,156.84x = 25,734.98 × 6,768.68
  4. Step 4: Simplify right side
    17,156.84x = 174,191,844.43
  5. Step 5: Solve for x
    x = 174,191,844.43/17,156.84
  6. Step 6: Final answer
    x = 10,152.91

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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.