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Finding the Fourth Proportional to 6,648,506.70, 9,972,760.05 and 2,603,650.20

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Solution

The fourth proportional to 6,648,506.70, 9,972,760.05 and 2,603,650.20 is: 3,905,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,506.70 : 9,972,760.05 = 2,603,650.20 : x
  2. Step 2: Convert to fraction form
    6,648,506.70/9,972,760.05 = 2,603,650.20/x
  3. Step 3: Cross multiply
    6,648,506.70x = 9,972,760.05 × 2,603,650.20
  4. Step 4: Simplify right side
    6,648,506.70x = 25,965,578,698,734.52
  5. Step 5: Solve for x
    x = 25,965,578,698,734.52/6,648,506.70
  6. Step 6: Final answer
    x = 3,905,475.30

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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.