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Finding the Fourth Proportional to 8,066,857.30, 11,301,998.30 and 8,066,857.30

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Solution

The fourth proportional to 8,066,857.30, 11,301,998.30 and 8,066,857.30 is: 11,301,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,857.30 : 11,301,998.30 = 8,066,857.30 : x
  2. Step 2: Convert to fraction form
    8,066,857.30/11,301,998.30 = 8,066,857.30/x
  3. Step 3: Cross multiply
    8,066,857.30x = 11,301,998.30 × 8,066,857.30
  4. Step 4: Simplify right side
    8,066,857.30x = 91,171,607,490,942.59
  5. Step 5: Solve for x
    x = 91,171,607,490,942.59/8,066,857.30
  6. Step 6: Final answer
    x = 11,301,998.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.