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Finding the Fourth Proportional to 1,466.99, 2,199.79 and 850.86

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Solution

The fourth proportional to 1,466.99, 2,199.79 and 850.86 is: 1,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.99 : 2,199.79 = 850.86 : x
  2. Step 2: Convert to fraction form
    1,466.99/2,199.79 = 850.86/x
  3. Step 3: Cross multiply
    1,466.99x = 2,199.79 × 850.86
  4. Step 4: Simplify right side
    1,466.99x = 1,871,709.07
  5. Step 5: Solve for x
    x = 1,871,709.07/1,466.99
  6. Step 6: Final answer
    x = 1,275.89

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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.