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Finding the Fourth Proportional to 54,783.92, 82,175.88 and 15,346.88

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Solution

The fourth proportional to 54,783.92, 82,175.88 and 15,346.88 is: 23,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,783.92 : 82,175.88 = 15,346.88 : x
  2. Step 2: Convert to fraction form
    54,783.92/82,175.88 = 15,346.88/x
  3. Step 3: Cross multiply
    54,783.92x = 82,175.88 × 15,346.88
  4. Step 4: Simplify right side
    54,783.92x = 1,261,143,369.25
  5. Step 5: Solve for x
    x = 1,261,143,369.25/54,783.92
  6. Step 6: Final answer
    x = 23,020.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.