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Finding the Fourth Proportional to 15,597.44, 21,524.32 and 8,523.84

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Solution

The fourth proportional to 15,597.44, 21,524.32 and 8,523.84 is: 11,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.44 : 21,524.32 = 8,523.84 : x
  2. Step 2: Convert to fraction form
    15,597.44/21,524.32 = 8,523.84/x
  3. Step 3: Cross multiply
    15,597.44x = 21,524.32 × 8,523.84
  4. Step 4: Simplify right side
    15,597.44x = 183,469,859.79
  5. Step 5: Solve for x
    x = 183,469,859.79/15,597.44
  6. Step 6: Final answer
    x = 11,762.82

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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.