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Finding the Fourth Proportional to 3,884,951.85, 5,826,433.75 and 1,151,860.18

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Solution

The fourth proportional to 3,884,951.85, 5,826,433.75 and 1,151,860.18 is: 1,727,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,951.85 : 5,826,433.75 = 1,151,860.18 : x
  2. Step 2: Convert to fraction form
    3,884,951.85/5,826,433.75 = 1,151,860.18/x
  3. Step 3: Cross multiply
    3,884,951.85x = 5,826,433.75 × 1,151,860.18
  4. Step 4: Simplify right side
    3,884,951.85x = 6,711,237,021,511.90
  5. Step 5: Solve for x
    x = 6,711,237,021,511.90/3,884,951.85
  6. Step 6: Final answer
    x = 1,727,495.55

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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.