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Finding the Fourth Proportional to 5,978,801.80, 8,968,202.70 and 5,437,592.20

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Solution

The fourth proportional to 5,978,801.80, 8,968,202.70 and 5,437,592.20 is: 8,156,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,801.80 : 8,968,202.70 = 5,437,592.20 : x
  2. Step 2: Convert to fraction form
    5,978,801.80/8,968,202.70 = 5,437,592.20/x
  3. Step 3: Cross multiply
    5,978,801.80x = 8,968,202.70 × 5,437,592.20
  4. Step 4: Simplify right side
    5,978,801.80x = 48,765,429,049,538.94
  5. Step 5: Solve for x
    x = 48,765,429,049,538.94/5,978,801.80
  6. Step 6: Final answer
    x = 8,156,388.30

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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.