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Finding the Fourth Proportional to 6,496,670.40, 9,724,010.40 and 5,068,996.80

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Solution

The fourth proportional to 6,496,670.40, 9,724,010.40 and 5,068,996.80 is: 7,587,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,496,670.40 : 9,724,010.40 = 5,068,996.80 : x
  2. Step 2: Convert to fraction form
    6,496,670.40/9,724,010.40 = 5,068,996.80/x
  3. Step 3: Cross multiply
    6,496,670.40x = 9,724,010.40 × 5,068,996.80
  4. Step 4: Simplify right side
    6,496,670.40x = 49,290,977,600,766.72
  5. Step 5: Solve for x
    x = 49,290,977,600,766.72/6,496,670.40
  6. Step 6: Final answer
    x = 7,587,113.79

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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.