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Finding the Fourth Proportional to 5,869,087.20, 8,803,630.80 and 2,680,441.20

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Solution

The fourth proportional to 5,869,087.20, 8,803,630.80 and 2,680,441.20 is: 4,020,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869,087.20 : 8,803,630.80 = 2,680,441.20 : x
  2. Step 2: Convert to fraction form
    5,869,087.20/8,803,630.80 = 2,680,441.20/x
  3. Step 3: Cross multiply
    5,869,087.20x = 8,803,630.80 × 2,680,441.20
  4. Step 4: Simplify right side
    5,869,087.20x = 23,597,614,705,908.96
  5. Step 5: Solve for x
    x = 23,597,614,705,908.96/5,869,087.20
  6. Step 6: Final answer
    x = 4,020,661.80

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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.