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Finding the Fourth Proportional to 9,347,683.07, 12,901,954.97 and 5,481,449.80

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Solution

The fourth proportional to 9,347,683.07, 12,901,954.97 and 5,481,449.80 is: 7,565,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,347,683.07 : 12,901,954.97 = 5,481,449.80 : x
  2. Step 2: Convert to fraction form
    9,347,683.07/12,901,954.97 = 5,481,449.80/x
  3. Step 3: Cross multiply
    9,347,683.07x = 12,901,954.97 × 5,481,449.80
  4. Step 4: Simplify right side
    9,347,683.07x = 70,721,418,471,364.25
  5. Step 5: Solve for x
    x = 70,721,418,471,364.25/9,347,683.07
  6. Step 6: Final answer
    x = 7,565,662.84

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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.