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Finding the Fourth Proportional to 11,129.58, 16,695.28 and 3,734.10

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Solution

The fourth proportional to 11,129.58, 16,695.28 and 3,734.10 is: 5,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.58 : 16,695.28 = 3,734.10 : x
  2. Step 2: Convert to fraction form
    11,129.58/16,695.28 = 3,734.10/x
  3. Step 3: Cross multiply
    11,129.58x = 16,695.28 × 3,734.10
  4. Step 4: Simplify right side
    11,129.58x = 62,341,845.05
  5. Step 5: Solve for x
    x = 62,341,845.05/11,129.58
  6. Step 6: Final answer
    x = 5,601.46

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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.