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Finding the Fourth Proportional to 9,873,969.81, 14,805,629.24 and 4,479,676.80

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Solution

The fourth proportional to 9,873,969.81, 14,805,629.24 and 4,479,676.80 is: 6,717,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873,969.81 : 14,805,629.24 = 4,479,676.80 : x
  2. Step 2: Convert to fraction form
    9,873,969.81/14,805,629.24 = 4,479,676.80/x
  3. Step 3: Cross multiply
    9,873,969.81x = 14,805,629.24 × 4,479,676.80
  4. Step 4: Simplify right side
    9,873,969.81x = 66,324,433,793,431.24
  5. Step 5: Solve for x
    x = 66,324,433,793,431.24/9,873,969.81
  6. Step 6: Final answer
    x = 6,717,099.11

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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.