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Finding the Fourth Proportional to 7,388,460.80, 11,064,028.80 and 4,850,374.40

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Solution

The fourth proportional to 7,388,460.80, 11,064,028.80 and 4,850,374.40 is: 7,263,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388,460.80 : 11,064,028.80 = 4,850,374.40 : x
  2. Step 2: Convert to fraction form
    7,388,460.80/11,064,028.80 = 4,850,374.40/x
  3. Step 3: Cross multiply
    7,388,460.80x = 11,064,028.80 × 4,850,374.40
  4. Step 4: Simplify right side
    7,388,460.80x = 53,664,682,052,382.73
  5. Step 5: Solve for x
    x = 53,664,682,052,382.73/7,388,460.80
  6. Step 6: Final answer
    x = 7,263,310.11

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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.