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Finding the Fourth Proportional to 54,074.48, 81,119.48 and 16,637.69

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Solution

The fourth proportional to 54,074.48, 81,119.48 and 16,637.69 is: 24,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,074.48 : 81,119.48 = 16,637.69 : x
  2. Step 2: Convert to fraction form
    54,074.48/81,119.48 = 16,637.69/x
  3. Step 3: Cross multiply
    54,074.48x = 81,119.48 × 16,637.69
  4. Step 4: Simplify right side
    54,074.48x = 1,349,640,880.81
  5. Step 5: Solve for x
    x = 1,349,640,880.81/54,074.48
  6. Step 6: Final answer
    x = 24,958.93

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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.