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Finding the Fourth Proportional to 30,193.43, 41,664.80 and 16,763.63

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Solution

The fourth proportional to 30,193.43, 41,664.80 and 16,763.63 is: 23,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.43 : 41,664.80 = 16,763.63 : x
  2. Step 2: Convert to fraction form
    30,193.43/41,664.80 = 16,763.63/x
  3. Step 3: Cross multiply
    30,193.43x = 41,664.80 × 16,763.63
  4. Step 4: Simplify right side
    30,193.43x = 698,453,124.81
  5. Step 5: Solve for x
    x = 698,453,124.81/30,193.43
  6. Step 6: Final answer
    x = 23,132.62

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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.