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Finding the Fourth Proportional to 6,472,415.80, 9,700,847.70 and 2,683,948.60

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Solution

The fourth proportional to 6,472,415.80, 9,700,847.70 and 2,683,948.60 is: 4,022,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,415.80 : 9,700,847.70 = 2,683,948.60 : x
  2. Step 2: Convert to fraction form
    6,472,415.80/9,700,847.70 = 2,683,948.60/x
  3. Step 3: Cross multiply
    6,472,415.80x = 9,700,847.70 × 2,683,948.60
  4. Step 4: Simplify right side
    6,472,415.80x = 26,036,576,603,228.22
  5. Step 5: Solve for x
    x = 26,036,576,603,228.22/6,472,415.80
  6. Step 6: Final answer
    x = 4,022,698.39

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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.