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Finding the Fourth Proportional to 35,235, 48,626.46 and 20,331

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Solution

The fourth proportional to 35,235, 48,626.46 and 20,331 is: 28,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,235 : 48,626.46 = 20,331 : x
  2. Step 2: Convert to fraction form
    35,235/48,626.46 = 20,331/x
  3. Step 3: Cross multiply
    35,235x = 48,626.46 × 20,331
  4. Step 4: Simplify right side
    35,235x = 988,624,558.26
  5. Step 5: Solve for x
    x = 988,624,558.26/35,235
  6. Step 6: Final answer
    x = 28,058.03

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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.