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Finding the Fourth Proportional to 6,562,647.20, 9,165,311.20 and 6,562,647.20

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Solution

The fourth proportional to 6,562,647.20, 9,165,311.20 and 6,562,647.20 is: 9,165,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,562,647.20 : 9,165,311.20 = 6,562,647.20 : x
  2. Step 2: Convert to fraction form
    6,562,647.20/9,165,311.20 = 6,562,647.20/x
  3. Step 3: Cross multiply
    6,562,647.20x = 9,165,311.20 × 6,562,647.20
  4. Step 4: Simplify right side
    6,562,647.20x = 60,148,703,883,808.64
  5. Step 5: Solve for x
    x = 60,148,703,883,808.64/6,562,647.20
  6. Step 6: Final answer
    x = 9,165,311.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.