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Finding the Fourth Proportional to 57,744.78, 79,712.08 and 35,091.04

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Solution

The fourth proportional to 57,744.78, 79,712.08 and 35,091.04 is: 48,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,744.78 : 79,712.08 = 35,091.04 : x
  2. Step 2: Convert to fraction form
    57,744.78/79,712.08 = 35,091.04/x
  3. Step 3: Cross multiply
    57,744.78x = 79,712.08 × 35,091.04
  4. Step 4: Simplify right side
    57,744.78x = 2,797,179,787.76
  5. Step 5: Solve for x
    x = 2,797,179,787.76/57,744.78
  6. Step 6: Final answer
    x = 48,440.39

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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.