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Finding the Fourth Proportional to 17,697.45, 26,546.19 and 4,549.74

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Solution

The fourth proportional to 17,697.45, 26,546.19 and 4,549.74 is: 6,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.45 : 26,546.19 = 4,549.74 : x
  2. Step 2: Convert to fraction form
    17,697.45/26,546.19 = 4,549.74/x
  3. Step 3: Cross multiply
    17,697.45x = 26,546.19 × 4,549.74
  4. Step 4: Simplify right side
    17,697.45x = 120,778,262.49
  5. Step 5: Solve for x
    x = 120,778,262.49/17,697.45
  6. Step 6: Final answer
    x = 6,824.61

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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.