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Finding the Fourth Proportional to 7,997,648.76, 11,996,971.56 and 3,204,715.32

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Solution

The fourth proportional to 7,997,648.76, 11,996,971.56 and 3,204,715.32 is: 4,807,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997,648.76 : 11,996,971.56 = 3,204,715.32 : x
  2. Step 2: Convert to fraction form
    7,997,648.76/11,996,971.56 = 3,204,715.32/x
  3. Step 3: Cross multiply
    7,997,648.76x = 11,996,971.56 × 3,204,715.32
  4. Step 4: Simplify right side
    7,997,648.76x = 38,446,878,551,936.30
  5. Step 5: Solve for x
    x = 38,446,878,551,936.30/7,997,648.76
  6. Step 6: Final answer
    x = 4,807,272.70

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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.