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Finding the Fourth Proportional to 29,755.80, 41,061.63 and 16,326.72

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Solution

The fourth proportional to 29,755.80, 41,061.63 and 16,326.72 is: 22,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,755.80 : 41,061.63 = 16,326.72 : x
  2. Step 2: Convert to fraction form
    29,755.80/41,061.63 = 16,326.72/x
  3. Step 3: Cross multiply
    29,755.80x = 41,061.63 × 16,326.72
  4. Step 4: Simplify right side
    29,755.80x = 670,401,735.75
  5. Step 5: Solve for x
    x = 670,401,735.75/29,755.80
  6. Step 6: Final answer
    x = 22,530.12

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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.