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Finding the Fourth Proportional to 15,649.92, 21,596.94 and 8,576.82

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Solution

The fourth proportional to 15,649.92, 21,596.94 and 8,576.82 is: 11,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.92 : 21,596.94 = 8,576.82 : x
  2. Step 2: Convert to fraction form
    15,649.92/21,596.94 = 8,576.82/x
  3. Step 3: Cross multiply
    15,649.92x = 21,596.94 × 8,576.82
  4. Step 4: Simplify right side
    15,649.92x = 185,233,066.93
  5. Step 5: Solve for x
    x = 185,233,066.93/15,649.92
  6. Step 6: Final answer
    x = 11,836.04

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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.