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Finding the Fourth Proportional to 5,726,460.72, 8,589,692.72 and 1,682,948.32

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Solution

The fourth proportional to 5,726,460.72, 8,589,692.72 and 1,682,948.32 is: 2,524,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726,460.72 : 8,589,692.72 = 1,682,948.32 : x
  2. Step 2: Convert to fraction form
    5,726,460.72/8,589,692.72 = 1,682,948.32/x
  3. Step 3: Cross multiply
    5,726,460.72x = 8,589,692.72 × 1,682,948.32
  4. Step 4: Simplify right side
    5,726,460.72x = 14,456,008,932,440.23
  5. Step 5: Solve for x
    x = 14,456,008,932,440.23/5,726,460.72
  6. Step 6: Final answer
    x = 2,524,422.96

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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.