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Finding the Fourth Proportional to 54,851.80, 82,215.50 and 25,208.38

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Solution

The fourth proportional to 54,851.80, 82,215.50 and 25,208.38 is: 37,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,851.80 : 82,215.50 = 25,208.38 : x
  2. Step 2: Convert to fraction form
    54,851.80/82,215.50 = 25,208.38/x
  3. Step 3: Cross multiply
    54,851.80x = 82,215.50 × 25,208.38
  4. Step 4: Simplify right side
    54,851.80x = 2,072,519,565.89
  5. Step 5: Solve for x
    x = 2,072,519,565.89/54,851.80
  6. Step 6: Final answer
    x = 37,783.98

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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.