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Finding the Fourth Proportional to 9,355.41, 14,035.40 and 3,115.41

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Solution

The fourth proportional to 9,355.41, 14,035.40 and 3,115.41 is: 4,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.41 : 14,035.40 = 3,115.41 : x
  2. Step 2: Convert to fraction form
    9,355.41/14,035.40 = 3,115.41/x
  3. Step 3: Cross multiply
    9,355.41x = 14,035.40 × 3,115.41
  4. Step 4: Simplify right side
    9,355.41x = 43,726,025.51
  5. Step 5: Solve for x
    x = 43,726,025.51/9,355.41
  6. Step 6: Final answer
    x = 4,673.88

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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.