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Finding the Fourth Proportional to 6,563,238.90, 9,844,793.55 and 2,075,514.90

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Solution

The fourth proportional to 6,563,238.90, 9,844,793.55 and 2,075,514.90 is: 3,113,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,563,238.90 : 9,844,793.55 = 2,075,514.90 : x
  2. Step 2: Convert to fraction form
    6,563,238.90/9,844,793.55 = 2,075,514.90/x
  3. Step 3: Cross multiply
    6,563,238.90x = 9,844,793.55 × 2,075,514.90
  4. Step 4: Simplify right side
    6,563,238.90x = 20,433,015,700,448.89
  5. Step 5: Solve for x
    x = 20,433,015,700,448.89/6,563,238.90
  6. Step 6: Final answer
    x = 3,113,251.86

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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.