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Finding the Fourth Proportional to 33,726.50, 46,542.75 and 18,822.50

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Solution

The fourth proportional to 33,726.50, 46,542.75 and 18,822.50 is: 25,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,726.50 : 46,542.75 = 18,822.50 : x
  2. Step 2: Convert to fraction form
    33,726.50/46,542.75 = 18,822.50/x
  3. Step 3: Cross multiply
    33,726.50x = 46,542.75 × 18,822.50
  4. Step 4: Simplify right side
    33,726.50x = 876,050,911.88
  5. Step 5: Solve for x
    x = 876,050,911.88/33,726.50
  6. Step 6: Final answer
    x = 25,975.15

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1.5x scale

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.