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Finding the Fourth Proportional to 11,355.42, 16,994.41 and 10,369.45

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Solution

The fourth proportional to 11,355.42, 16,994.41 and 10,369.45 is: 15,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.42 : 16,994.41 = 10,369.45 : x
  2. Step 2: Convert to fraction form
    11,355.42/16,994.41 = 10,369.45/x
  3. Step 3: Cross multiply
    11,355.42x = 16,994.41 × 10,369.45
  4. Step 4: Simplify right side
    11,355.42x = 176,222,680.09
  5. Step 5: Solve for x
    x = 176,222,680.09/11,355.42
  6. Step 6: Final answer
    x = 15,518.81

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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.