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Finding the Fourth Proportional to 5,847,281.80, 8,770,922.70 and 2,061,147.40

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Solution

The fourth proportional to 5,847,281.80, 8,770,922.70 and 2,061,147.40 is: 3,091,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847,281.80 : 8,770,922.70 = 2,061,147.40 : x
  2. Step 2: Convert to fraction form
    5,847,281.80/8,770,922.70 = 2,061,147.40/x
  3. Step 3: Cross multiply
    5,847,281.80x = 8,770,922.70 × 2,061,147.40
  4. Step 4: Simplify right side
    5,847,281.80x = 18,078,164,518,705.98
  5. Step 5: Solve for x
    x = 18,078,164,518,705.98/5,847,281.80
  6. Step 6: Final answer
    x = 3,091,721.10

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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.