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Finding the Fourth Proportional to 44,039, 66,058.50 and 12,874.25

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Solution

The fourth proportional to 44,039, 66,058.50 and 12,874.25 is: 19,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,039 : 66,058.50 = 12,874.25 : x
  2. Step 2: Convert to fraction form
    44,039/66,058.50 = 12,874.25/x
  3. Step 3: Cross multiply
    44,039x = 66,058.50 × 12,874.25
  4. Step 4: Simplify right side
    44,039x = 850,453,643.63
  5. Step 5: Solve for x
    x = 850,453,643.63/44,039
  6. Step 6: Final answer
    x = 19,311.38

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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.