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Finding the Fourth Proportional to 6,710,230.22, 9,260,379.90 and 3,809,890.98

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Solution

The fourth proportional to 6,710,230.22, 9,260,379.90 and 3,809,890.98 is: 5,257,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,710,230.22 : 9,260,379.90 = 3,809,890.98 : x
  2. Step 2: Convert to fraction form
    6,710,230.22/9,260,379.90 = 3,809,890.98/x
  3. Step 3: Cross multiply
    6,710,230.22x = 9,260,379.90 × 3,809,890.98
  4. Step 4: Simplify right side
    6,710,230.22x = 35,281,037,852,383.30
  5. Step 5: Solve for x
    x = 35,281,037,852,383.30/6,710,230.22
  6. Step 6: Final answer
    x = 5,257,798.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.