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Finding the Fourth Proportional to 6,389,300.88, 9,583,951.32 and 1,901,576.88

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Solution

The fourth proportional to 6,389,300.88, 9,583,951.32 and 1,901,576.88 is: 2,852,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,300.88 : 9,583,951.32 = 1,901,576.88 : x
  2. Step 2: Convert to fraction form
    6,389,300.88/9,583,951.32 = 1,901,576.88/x
  3. Step 3: Cross multiply
    6,389,300.88x = 9,583,951.32 × 1,901,576.88
  4. Step 4: Simplify right side
    6,389,300.88x = 18,224,620,284,135.10
  5. Step 5: Solve for x
    x = 18,224,620,284,135.10/6,389,300.88
  6. Step 6: Final answer
    x = 2,852,365.32

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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.