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Finding the Fourth Proportional to 35,347.92, 48,783.48 and 20,241.78

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Solution

The fourth proportional to 35,347.92, 48,783.48 and 20,241.78 is: 27,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.92 : 48,783.48 = 20,241.78 : x
  2. Step 2: Convert to fraction form
    35,347.92/48,783.48 = 20,241.78/x
  3. Step 3: Cross multiply
    35,347.92x = 48,783.48 × 20,241.78
  4. Step 4: Simplify right side
    35,347.92x = 987,464,469.79
  5. Step 5: Solve for x
    x = 987,464,469.79/35,347.92
  6. Step 6: Final answer
    x = 27,935.57

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1.5x scale

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.