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Finding the Fourth Proportional to 35,958.99, 49,615.16 and 21,612.27

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Solution

The fourth proportional to 35,958.99, 49,615.16 and 21,612.27 is: 29,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,958.99 : 49,615.16 = 21,612.27 : x
  2. Step 2: Convert to fraction form
    35,958.99/49,615.16 = 21,612.27/x
  3. Step 3: Cross multiply
    35,958.99x = 49,615.16 × 21,612.27
  4. Step 4: Simplify right side
    35,958.99x = 1,072,296,125.95
  5. Step 5: Solve for x
    x = 1,072,296,125.95/35,958.99
  6. Step 6: Final answer
    x = 29,819.97

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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.