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Finding the Fourth Proportional to 30,144.54, 41,600.48 and 16,715

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Solution

The fourth proportional to 30,144.54, 41,600.48 and 16,715 is: 23,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144.54 : 41,600.48 = 16,715 : x
  2. Step 2: Convert to fraction form
    30,144.54/41,600.48 = 16,715/x
  3. Step 3: Cross multiply
    30,144.54x = 41,600.48 × 16,715
  4. Step 4: Simplify right side
    30,144.54x = 695,352,023.20
  5. Step 5: Solve for x
    x = 695,352,023.20/30,144.54
  6. Step 6: Final answer
    x = 23,067.26

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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.