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Finding the Fourth Proportional to 1,523.17, 2,102.00 and 850.95

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Solution

The fourth proportional to 1,523.17, 2,102.00 and 850.95 is: 1,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.17 : 2,102.00 = 850.95 : x
  2. Step 2: Convert to fraction form
    1,523.17/2,102.00 = 850.95/x
  3. Step 3: Cross multiply
    1,523.17x = 2,102.00 × 850.95
  4. Step 4: Simplify right side
    1,523.17x = 1,788,682.14
  5. Step 5: Solve for x
    x = 1,788,682.14/1,523.17
  6. Step 6: Final answer
    x = 1,174.32

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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.