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Finding the Fourth Proportional to 2,664,005.15, 3,996,007.73 and 2,664,005.15

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Solution

The fourth proportional to 2,664,005.15, 3,996,007.73 and 2,664,005.15 is: 3,996,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,005.15 : 3,996,007.73 = 2,664,005.15 : x
  2. Step 2: Convert to fraction form
    2,664,005.15/3,996,007.73 = 2,664,005.15/x
  3. Step 3: Cross multiply
    2,664,005.15x = 3,996,007.73 × 2,664,005.15
  4. Step 4: Simplify right side
    2,664,005.15x = 10,645,385,158,839.78
  5. Step 5: Solve for x
    x = 10,645,385,158,839.78/2,664,005.15
  6. Step 6: Final answer
    x = 3,996,007.73

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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.