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Finding the Fourth Proportional to 23,518, 35,287.45 and 9,505.39

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Solution

The fourth proportional to 23,518, 35,287.45 and 9,505.39 is: 14,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,518 : 35,287.45 = 9,505.39 : x
  2. Step 2: Convert to fraction form
    23,518/35,287.45 = 9,505.39/x
  3. Step 3: Cross multiply
    23,518x = 35,287.45 × 9,505.39
  4. Step 4: Simplify right side
    23,518x = 335,420,974.36
  5. Step 5: Solve for x
    x = 335,420,974.36/23,518
  6. Step 6: Final answer
    x = 14,262.31

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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.