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Finding the Fourth Proportional to 8,582,791.86, 11,840,160.15 and 6,254,693.10

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Solution

The fourth proportional to 8,582,791.86, 11,840,160.15 and 6,254,693.10 is: 8,628,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582,791.86 : 11,840,160.15 = 6,254,693.10 : x
  2. Step 2: Convert to fraction form
    8,582,791.86/11,840,160.15 = 6,254,693.10/x
  3. Step 3: Cross multiply
    8,582,791.86x = 11,840,160.15 × 6,254,693.10
  4. Step 4: Simplify right side
    8,582,791.86x = 74,056,567,993,099.97
  5. Step 5: Solve for x
    x = 74,056,567,993,099.97/8,582,791.86
  6. Step 6: Final answer
    x = 8,628,493.99

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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.