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Finding the Fourth Proportional to 17,098.84, 25,640.02 and 8,085.45

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Solution

The fourth proportional to 17,098.84, 25,640.02 and 8,085.45 is: 12,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,098.84 : 25,640.02 = 8,085.45 : x
  2. Step 2: Convert to fraction form
    17,098.84/25,640.02 = 8,085.45/x
  3. Step 3: Cross multiply
    17,098.84x = 25,640.02 × 8,085.45
  4. Step 4: Simplify right side
    17,098.84x = 207,311,099.71
  5. Step 5: Solve for x
    x = 207,311,099.71/17,098.84
  6. Step 6: Final answer
    x = 12,124.28

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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.