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Finding the Fourth Proportional to 33,572, 46,329.36 and 18,668

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Solution

The fourth proportional to 33,572, 46,329.36 and 18,668 is: 25,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,572 : 46,329.36 = 18,668 : x
  2. Step 2: Convert to fraction form
    33,572/46,329.36 = 18,668/x
  3. Step 3: Cross multiply
    33,572x = 46,329.36 × 18,668
  4. Step 4: Simplify right side
    33,572x = 864,876,492.48
  5. Step 5: Solve for x
    x = 864,876,492.48/33,572
  6. Step 6: Final answer
    x = 25,761.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.