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Finding the Fourth Proportional to 4,886,703.61, 6,743,651.87 and 2,711,241.54

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Solution

The fourth proportional to 4,886,703.61, 6,743,651.87 and 2,711,241.54 is: 3,741,513.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,703.61 : 6,743,651.87 = 2,711,241.54 : x
  2. Step 2: Convert to fraction form
    4,886,703.61/6,743,651.87 = 2,711,241.54/x
  3. Step 3: Cross multiply
    4,886,703.61x = 6,743,651.87 × 2,711,241.54
  4. Step 4: Simplify right side
    4,886,703.61x = 18,283,669,081,242.68
  5. Step 5: Solve for x
    x = 18,283,669,081,242.68/4,886,703.61
  6. Step 6: Final answer
    x = 3,741,513.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.