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Finding the Fourth Proportional to 7,357, 11,035.52 and 1,885

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Solution

The fourth proportional to 7,357, 11,035.52 and 1,885 is: 2,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357 : 11,035.52 = 1,885 : x
  2. Step 2: Convert to fraction form
    7,357/11,035.52 = 1,885/x
  3. Step 3: Cross multiply
    7,357x = 11,035.52 × 1,885
  4. Step 4: Simplify right side
    7,357x = 20,801,955.20
  5. Step 5: Solve for x
    x = 20,801,955.20/7,357
  6. Step 6: Final answer
    x = 2,827.51

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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.