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Finding the Fourth Proportional to 30,263.88, 41,763.06 and 16,834.84

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Solution

The fourth proportional to 30,263.88, 41,763.06 and 16,834.84 is: 23,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.88 : 41,763.06 = 16,834.84 : x
  2. Step 2: Convert to fraction form
    30,263.88/41,763.06 = 16,834.84/x
  3. Step 3: Cross multiply
    30,263.88x = 41,763.06 × 16,834.84
  4. Step 4: Simplify right side
    30,263.88x = 703,074,433.01
  5. Step 5: Solve for x
    x = 703,074,433.01/30,263.88
  6. Step 6: Final answer
    x = 23,231.47

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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.