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Finding the Fourth Proportional to 7,361,169.81, 11,041,901.73 and 1,969,811.43

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Solution

The fourth proportional to 7,361,169.81, 11,041,901.73 and 1,969,811.43 is: 2,954,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361,169.81 : 11,041,901.73 = 1,969,811.43 : x
  2. Step 2: Convert to fraction form
    7,361,169.81/11,041,901.73 = 1,969,811.43/x
  3. Step 3: Cross multiply
    7,361,169.81x = 11,041,901.73 × 1,969,811.43
  4. Step 4: Simplify right side
    7,361,169.81x = 21,750,464,236,690.77
  5. Step 5: Solve for x
    x = 21,750,464,236,690.77/7,361,169.81
  6. Step 6: Final answer
    x = 2,954,756.49

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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.