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Finding the Fourth Proportional to 6,645,684.22, 9,968,525.21 and 1,596,994.72

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Solution

The fourth proportional to 6,645,684.22, 9,968,525.21 and 1,596,994.72 is: 2,395,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,684.22 : 9,968,525.21 = 1,596,994.72 : x
  2. Step 2: Convert to fraction form
    6,645,684.22/9,968,525.21 = 1,596,994.72/x
  3. Step 3: Cross multiply
    6,645,684.22x = 9,968,525.21 × 1,596,994.72
  4. Step 4: Simplify right side
    6,645,684.22x = 15,919,682,105,628.07
  5. Step 5: Solve for x
    x = 15,919,682,105,628.07/6,645,684.22
  6. Step 6: Final answer
    x = 2,395,491.81

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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.