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Finding the Fourth Proportional to 9,347,693.22, 12,901,968.96 and 5,481,459.90

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Solution

The fourth proportional to 9,347,693.22, 12,901,968.96 and 5,481,459.90 is: 7,565,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,347,693.22 : 12,901,968.96 = 5,481,459.90 : x
  2. Step 2: Convert to fraction form
    9,347,693.22/12,901,968.96 = 5,481,459.90/x
  3. Step 3: Cross multiply
    9,347,693.22x = 12,901,968.96 × 5,481,459.90
  4. Step 4: Simplify right side
    9,347,693.22x = 70,721,625,485,284.72
  5. Step 5: Solve for x
    x = 70,721,625,485,284.72/9,347,693.22
  6. Step 6: Final answer
    x = 7,565,676.77

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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.