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Finding the Fourth Proportional to 6,652,431.90, 9,978,647.85 and 4,526,667.90

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Solution

The fourth proportional to 6,652,431.90, 9,978,647.85 and 4,526,667.90 is: 6,790,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,431.90 : 9,978,647.85 = 4,526,667.90 : x
  2. Step 2: Convert to fraction form
    6,652,431.90/9,978,647.85 = 4,526,667.90/x
  3. Step 3: Cross multiply
    6,652,431.90x = 9,978,647.85 × 4,526,667.90
  4. Step 4: Simplify right side
    6,652,431.90x = 45,170,024,907,999.02
  5. Step 5: Solve for x
    x = 45,170,024,907,999.02/6,652,431.90
  6. Step 6: Final answer
    x = 6,790,001.85

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Similar ratio
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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.