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Finding the Fourth Proportional to 54,756.61, 82,108.99 and 25,165.69

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Solution

The fourth proportional to 54,756.61, 82,108.99 and 25,165.69 is: 37,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,756.61 : 82,108.99 = 25,165.69 : x
  2. Step 2: Convert to fraction form
    54,756.61/82,108.99 = 25,165.69/x
  3. Step 3: Cross multiply
    54,756.61x = 82,108.99 × 25,165.69
  4. Step 4: Simplify right side
    54,756.61x = 2,066,329,388.55
  5. Step 5: Solve for x
    x = 2,066,329,388.55/54,756.61
  6. Step 6: Final answer
    x = 37,736.62

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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.