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Finding the Fourth Proportional to 4,886,667.08, 6,743,372.10 and 2,711,187.08

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Solution

The fourth proportional to 4,886,667.08, 6,743,372.10 and 2,711,187.08 is: 3,741,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,667.08 : 6,743,372.10 = 2,711,187.08 : x
  2. Step 2: Convert to fraction form
    4,886,667.08/6,743,372.10 = 2,711,187.08/x
  3. Step 3: Cross multiply
    4,886,667.08x = 6,743,372.10 × 2,711,187.08
  4. Step 4: Simplify right side
    4,886,667.08x = 18,282,543,313,152.47
  5. Step 5: Solve for x
    x = 18,282,543,313,152.47/4,886,667.08
  6. Step 6: Final answer
    x = 3,741,311.41

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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.