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Finding the Fourth Proportional to 9,658,052.40, 14,481,829.80 and 3,978,850.80

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Solution

The fourth proportional to 9,658,052.40, 14,481,829.80 and 3,978,850.80 is: 5,966,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,658,052.40 : 14,481,829.80 = 3,978,850.80 : x
  2. Step 2: Convert to fraction form
    9,658,052.40/14,481,829.80 = 3,978,850.80/x
  3. Step 3: Cross multiply
    9,658,052.40x = 14,481,829.80 × 3,978,850.80
  4. Step 4: Simplify right side
    9,658,052.40x = 57,621,040,085,193.84
  5. Step 5: Solve for x
    x = 57,621,040,085,193.84/9,658,052.40
  6. Step 6: Final answer
    x = 5,966,113.84

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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.