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Finding the Fourth Proportional to 10,873,243.16, 15,004,672.02 and 5,978,174.01

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Solution

The fourth proportional to 10,873,243.16, 15,004,672.02 and 5,978,174.01 is: 8,249,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873,243.16 : 15,004,672.02 = 5,978,174.01 : x
  2. Step 2: Convert to fraction form
    10,873,243.16/15,004,672.02 = 5,978,174.01/x
  3. Step 3: Cross multiply
    10,873,243.16x = 15,004,672.02 × 5,978,174.01
  4. Step 4: Simplify right side
    10,873,243.16x = 89,700,540,343,488.56
  5. Step 5: Solve for x
    x = 89,700,540,343,488.56/10,873,243.16
  6. Step 6: Final answer
    x = 8,249,658.27

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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.