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Finding the Fourth Proportional to 22,608.44, 31,199.49 and 12,536.88

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Solution

The fourth proportional to 22,608.44, 31,199.49 and 12,536.88 is: 17,300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.44 : 31,199.49 = 12,536.88 : x
  2. Step 2: Convert to fraction form
    22,608.44/31,199.49 = 12,536.88/x
  3. Step 3: Cross multiply
    22,608.44x = 31,199.49 × 12,536.88
  4. Step 4: Simplify right side
    22,608.44x = 391,144,262.19
  5. Step 5: Solve for x
    x = 391,144,262.19/22,608.44
  6. Step 6: Final answer
    x = 17,300.81

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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.