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Finding the Fourth Proportional to 8,738, 12,058.92 and 5,012.24

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Solution

The fourth proportional to 8,738, 12,058.92 and 5,012.24 is: 6,917.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738 : 12,058.92 = 5,012.24 : x
  2. Step 2: Convert to fraction form
    8,738/12,058.92 = 5,012.24/x
  3. Step 3: Cross multiply
    8,738x = 12,058.92 × 5,012.24
  4. Step 4: Simplify right side
    8,738x = 60,442,201.18
  5. Step 5: Solve for x
    x = 60,442,201.18/8,738
  6. Step 6: Final answer
    x = 6,917.17

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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.