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Finding the Fourth Proportional to 3,669,965.95, 5,148,581.15 and 3,669,965.95

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Solution

The fourth proportional to 3,669,965.95, 5,148,581.15 and 3,669,965.95 is: 5,148,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,965.95 : 5,148,581.15 = 3,669,965.95 : x
  2. Step 2: Convert to fraction form
    3,669,965.95/5,148,581.15 = 3,669,965.95/x
  3. Step 3: Cross multiply
    3,669,965.95x = 5,148,581.15 × 3,669,965.95
  4. Step 4: Simplify right side
    3,669,965.95x = 18,895,117,511,311.84
  5. Step 5: Solve for x
    x = 18,895,117,511,311.84/3,669,965.95
  6. Step 6: Final answer
    x = 5,148,581.15

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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.