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Finding the Fourth Proportional to 4,889,984.30, 7,327,978.05 and 3,600,529.10

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Solution

The fourth proportional to 4,889,984.30, 7,327,978.05 and 3,600,529.10 is: 5,395,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889,984.30 : 7,327,978.05 = 3,600,529.10 : x
  2. Step 2: Convert to fraction form
    4,889,984.30/7,327,978.05 = 3,600,529.10/x
  3. Step 3: Cross multiply
    4,889,984.30x = 7,327,978.05 × 3,600,529.10
  4. Step 4: Simplify right side
    4,889,984.30x = 26,384,598,213,186.25
  5. Step 5: Solve for x
    x = 26,384,598,213,186.25/4,889,984.30
  6. Step 6: Final answer
    x = 5,395,640.68

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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.