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Finding the Fourth Proportional to 35,237, 48,631.38 and 20,333

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Solution

The fourth proportional to 35,237, 48,631.38 and 20,333 is: 28,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,237 : 48,631.38 = 20,333 : x
  2. Step 2: Convert to fraction form
    35,237/48,631.38 = 20,333/x
  3. Step 3: Cross multiply
    35,237x = 48,631.38 × 20,333
  4. Step 4: Simplify right side
    35,237x = 988,821,849.54
  5. Step 5: Solve for x
    x = 988,821,849.54/35,237
  6. Step 6: Final answer
    x = 28,062.03

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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.