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Finding the Fourth Proportional to 10,941.11, 16,401.03 and 8,714.51

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Solution

The fourth proportional to 10,941.11, 16,401.03 and 8,714.51 is: 13,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.11 : 16,401.03 = 8,714.51 : x
  2. Step 2: Convert to fraction form
    10,941.11/16,401.03 = 8,714.51/x
  3. Step 3: Cross multiply
    10,941.11x = 16,401.03 × 8,714.51
  4. Step 4: Simplify right side
    10,941.11x = 142,926,857.94
  5. Step 5: Solve for x
    x = 142,926,857.94/10,941.11
  6. Step 6: Final answer
    x = 13,063.29

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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.