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Finding the Fourth Proportional to 17,401.92, 26,085.12 and 6,865.08

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Solution

The fourth proportional to 17,401.92, 26,085.12 and 6,865.08 is: 10,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,401.92 : 26,085.12 = 6,865.08 : x
  2. Step 2: Convert to fraction form
    17,401.92/26,085.12 = 6,865.08/x
  3. Step 3: Cross multiply
    17,401.92x = 26,085.12 × 6,865.08
  4. Step 4: Simplify right side
    17,401.92x = 179,076,435.61
  5. Step 5: Solve for x
    x = 179,076,435.61/17,401.92
  6. Step 6: Final answer
    x = 10,290.61

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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.