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Finding the Fourth Proportional to 22,469.65, 30,999.04 and 13,965.73

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Solution

The fourth proportional to 22,469.65, 30,999.04 and 13,965.73 is: 19,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,469.65 : 30,999.04 = 13,965.73 : x
  2. Step 2: Convert to fraction form
    22,469.65/30,999.04 = 13,965.73/x
  3. Step 3: Cross multiply
    22,469.65x = 30,999.04 × 13,965.73
  4. Step 4: Simplify right side
    22,469.65x = 432,924,222.90
  5. Step 5: Solve for x
    x = 432,924,222.90/22,469.65
  6. Step 6: Final answer
    x = 19,267.07

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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.