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Finding the Fourth Proportional to 9,691,602.73, 13,374,500.21 and 5,340,845.14

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Solution

The fourth proportional to 9,691,602.73, 13,374,500.21 and 5,340,845.14 is: 7,370,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,602.73 : 13,374,500.21 = 5,340,845.14 : x
  2. Step 2: Convert to fraction form
    9,691,602.73/13,374,500.21 = 5,340,845.14/x
  3. Step 3: Cross multiply
    9,691,602.73x = 13,374,500.21 × 5,340,845.14
  4. Step 4: Simplify right side
    9,691,602.73x = 71,431,134,446,507.48
  5. Step 5: Solve for x
    x = 71,431,134,446,507.48/9,691,602.73
  6. Step 6: Final answer
    x = 7,370,415.03

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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.