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Finding the Fourth Proportional to 12,495.48, 17,244.60 and 6,906.48

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Solution

The fourth proportional to 12,495.48, 17,244.60 and 6,906.48 is: 9,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.48 : 17,244.60 = 6,906.48 : x
  2. Step 2: Convert to fraction form
    12,495.48/17,244.60 = 6,906.48/x
  3. Step 3: Cross multiply
    12,495.48x = 17,244.60 × 6,906.48
  4. Step 4: Simplify right side
    12,495.48x = 119,099,485.01
  5. Step 5: Solve for x
    x = 119,099,485.01/12,495.48
  6. Step 6: Final answer
    x = 9,531.41

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1.5x scale

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.