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Finding the Fourth Proportional to 8,669,003.94, 13,004,361.27 and 2,988,480.42

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Solution

The fourth proportional to 8,669,003.94, 13,004,361.27 and 2,988,480.42 is: 4,483,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669,003.94 : 13,004,361.27 = 2,988,480.42 : x
  2. Step 2: Convert to fraction form
    8,669,003.94/13,004,361.27 = 2,988,480.42/x
  3. Step 3: Cross multiply
    8,669,003.94x = 13,004,361.27 × 2,988,480.42
  4. Step 4: Simplify right side
    8,669,003.94x = 38,863,279,030,001.33
  5. Step 5: Solve for x
    x = 38,863,279,030,001.33/8,669,003.94
  6. Step 6: Final answer
    x = 4,483,015.50

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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.