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Finding the Fourth Proportional to 10,994.32, 16,502.28 and 8,064.28

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Solution

The fourth proportional to 10,994.32, 16,502.28 and 8,064.28 is: 12,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.32 : 16,502.28 = 8,064.28 : x
  2. Step 2: Convert to fraction form
    10,994.32/16,502.28 = 8,064.28/x
  3. Step 3: Cross multiply
    10,994.32x = 16,502.28 × 8,064.28
  4. Step 4: Simplify right side
    10,994.32x = 133,079,006.56
  5. Step 5: Solve for x
    x = 133,079,006.56/10,994.32
  6. Step 6: Final answer
    x = 12,104.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.