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Finding the Fourth Proportional to 53,659, 80,492.94 and 16,723

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Solution

The fourth proportional to 53,659, 80,492.94 and 16,723 is: 25,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,659 : 80,492.94 = 16,723 : x
  2. Step 2: Convert to fraction form
    53,659/80,492.94 = 16,723/x
  3. Step 3: Cross multiply
    53,659x = 80,492.94 × 16,723
  4. Step 4: Simplify right side
    53,659x = 1,346,083,435.62
  5. Step 5: Solve for x
    x = 1,346,083,435.62/53,659
  6. Step 6: Final answer
    x = 25,085.88

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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.