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Finding the Fourth Proportional to 10,039, 15,058.50 and 2,743

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Solution

The fourth proportional to 10,039, 15,058.50 and 2,743 is: 4,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039 : 15,058.50 = 2,743 : x
  2. Step 2: Convert to fraction form
    10,039/15,058.50 = 2,743/x
  3. Step 3: Cross multiply
    10,039x = 15,058.50 × 2,743
  4. Step 4: Simplify right side
    10,039x = 41,305,465.50
  5. Step 5: Solve for x
    x = 41,305,465.50/10,039
  6. Step 6: Final answer
    x = 4,114.50

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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.