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Finding the Fourth Proportional to 8,608,770.12, 11,880,640.06 and 4,741,290.30

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Solution

The fourth proportional to 8,608,770.12, 11,880,640.06 and 4,741,290.30 is: 6,543,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608,770.12 : 11,880,640.06 = 4,741,290.30 : x
  2. Step 2: Convert to fraction form
    8,608,770.12/11,880,640.06 = 4,741,290.30/x
  3. Step 3: Cross multiply
    8,608,770.12x = 11,880,640.06 × 4,741,290.30
  4. Step 4: Simplify right side
    8,608,770.12x = 56,329,563,474,269.42
  5. Step 5: Solve for x
    x = 56,329,563,474,269.42/8,608,770.12
  6. Step 6: Final answer
    x = 6,543,276.53

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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.