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Finding the Fourth Proportional to 54,076.92, 74,621.08 and 34,957.12

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Solution

The fourth proportional to 54,076.92, 74,621.08 and 34,957.12 is: 48,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,076.92 : 74,621.08 = 34,957.12 : x
  2. Step 2: Convert to fraction form
    54,076.92/74,621.08 = 34,957.12/x
  3. Step 3: Cross multiply
    54,076.92x = 74,621.08 × 34,957.12
  4. Step 4: Simplify right side
    54,076.92x = 2,608,538,048.09
  5. Step 5: Solve for x
    x = 2,608,538,048.09/54,076.92
  6. Step 6: Final answer
    x = 48,237.55

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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.