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Finding the Fourth Proportional to 6,339,271.36, 8,738,487.93 and 3,887,335.84

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Solution

The fourth proportional to 6,339,271.36, 8,738,487.93 and 3,887,335.84 is: 5,358,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339,271.36 : 8,738,487.93 = 3,887,335.84 : x
  2. Step 2: Convert to fraction form
    6,339,271.36/8,738,487.93 = 3,887,335.84/x
  3. Step 3: Cross multiply
    6,339,271.36x = 8,738,487.93 × 3,887,335.84
  4. Step 4: Simplify right side
    6,339,271.36x = 33,969,437,317,696.41
  5. Step 5: Solve for x
    x = 33,969,437,317,696.41/6,339,271.36
  6. Step 6: Final answer
    x = 5,358,571.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.