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Finding the Fourth Proportional to 30,635.22, 45,941.49 and 10,908.48

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Solution

The fourth proportional to 30,635.22, 45,941.49 and 10,908.48 is: 16,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.22 : 45,941.49 = 10,908.48 : x
  2. Step 2: Convert to fraction form
    30,635.22/45,941.49 = 10,908.48/x
  3. Step 3: Cross multiply
    30,635.22x = 45,941.49 × 10,908.48
  4. Step 4: Simplify right side
    30,635.22x = 501,151,824.84
  5. Step 5: Solve for x
    x = 501,151,824.84/30,635.22
  6. Step 6: Final answer
    x = 16,358.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.