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Finding the Fourth Proportional to 7,340,079.36, 11,010,119.02 and 7,340,079.36

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Solution

The fourth proportional to 7,340,079.36, 11,010,119.02 and 7,340,079.36 is: 11,010,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,079.36 : 11,010,119.02 = 7,340,079.36 : x
  2. Step 2: Convert to fraction form
    7,340,079.36/11,010,119.02 = 7,340,079.36/x
  3. Step 3: Cross multiply
    7,340,079.36x = 11,010,119.02 × 7,340,079.36
  4. Step 4: Simplify right side
    7,340,079.36x = 80,815,147,369,845.42
  5. Step 5: Solve for x
    x = 80,815,147,369,845.42/7,340,079.36
  6. Step 6: Final answer
    x = 11,010,119.02

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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.