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Finding the Fourth Proportional to 53,706.99, 80,544 and 25,612.23

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Solution

The fourth proportional to 53,706.99, 80,544 and 25,612.23 is: 38,410.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,706.99 : 80,544 = 25,612.23 : x
  2. Step 2: Convert to fraction form
    53,706.99/80,544 = 25,612.23/x
  3. Step 3: Cross multiply
    53,706.99x = 80,544 × 25,612.23
  4. Step 4: Simplify right side
    53,706.99x = 2,062,911,453.12
  5. Step 5: Solve for x
    x = 2,062,911,453.12/53,706.99
  6. Step 6: Final answer
    x = 38,410.48

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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.