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Finding the Fourth Proportional to 53,361.79, 80,065.91 and 25,301.50

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Solution

The fourth proportional to 53,361.79, 80,065.91 and 25,301.50 is: 37,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,361.79 : 80,065.91 = 25,301.50 : x
  2. Step 2: Convert to fraction form
    53,361.79/80,065.91 = 25,301.50/x
  3. Step 3: Cross multiply
    53,361.79x = 80,065.91 × 25,301.50
  4. Step 4: Simplify right side
    53,361.79x = 2,025,787,621.87
  5. Step 5: Solve for x
    x = 2,025,787,621.87/53,361.79
  6. Step 6: Final answer
    x = 37,963.26

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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.