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Finding the Fourth Proportional to 1,716.85, 2,369.06 and 960.67

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Solution

The fourth proportional to 1,716.85, 2,369.06 and 960.67 is: 1,325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.85 : 2,369.06 = 960.67 : x
  2. Step 2: Convert to fraction form
    1,716.85/2,369.06 = 960.67/x
  3. Step 3: Cross multiply
    1,716.85x = 2,369.06 × 960.67
  4. Step 4: Simplify right side
    1,716.85x = 2,275,878.71
  5. Step 5: Solve for x
    x = 2,275,878.71/1,716.85
  6. Step 6: Final answer
    x = 1,325.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.