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Finding the Fourth Proportional to 5,787,012.50, 8,678,745.91 and 4,001,370.74

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Solution

The fourth proportional to 5,787,012.50, 8,678,745.91 and 4,001,370.74 is: 6,000,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787,012.50 : 8,678,745.91 = 4,001,370.74 : x
  2. Step 2: Convert to fraction form
    5,787,012.50/8,678,745.91 = 4,001,370.74/x
  3. Step 3: Cross multiply
    5,787,012.50x = 8,678,745.91 × 4,001,370.74
  4. Step 4: Simplify right side
    5,787,012.50x = 34,726,879,938,321.96
  5. Step 5: Solve for x
    x = 34,726,879,938,321.96/5,787,012.50
  6. Step 6: Final answer
    x = 6,000,830.30

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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.