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Finding the Fourth Proportional to 48,369.90, 66,749.49 and 26,858.52

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Solution

The fourth proportional to 48,369.90, 66,749.49 and 26,858.52 is: 37,064.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,369.90 : 66,749.49 = 26,858.52 : x
  2. Step 2: Convert to fraction form
    48,369.90/66,749.49 = 26,858.52/x
  3. Step 3: Cross multiply
    48,369.90x = 66,749.49 × 26,858.52
  4. Step 4: Simplify right side
    48,369.90x = 1,792,792,512.15
  5. Step 5: Solve for x
    x = 1,792,792,512.15/48,369.90
  6. Step 6: Final answer
    x = 37,064.22

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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.