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Finding the Fourth Proportional to 3,669,971.95, 5,148,589.55 and 3,669,971.95

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Solution

The fourth proportional to 3,669,971.95, 5,148,589.55 and 3,669,971.95 is: 5,148,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,971.95 : 5,148,589.55 = 3,669,971.95 : x
  2. Step 2: Convert to fraction form
    3,669,971.95/5,148,589.55 = 3,669,971.95/x
  3. Step 3: Cross multiply
    3,669,971.95x = 5,148,589.55 × 3,669,971.95
  4. Step 4: Simplify right side
    3,669,971.95x = 18,895,179,230,563.12
  5. Step 5: Solve for x
    x = 18,895,179,230,563.12/3,669,971.95
  6. Step 6: Final answer
    x = 5,148,589.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.