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Finding the Fourth Proportional to 11,985,650.04, 17,978,999.70 and 3,466,847.64

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Solution

The fourth proportional to 11,985,650.04, 17,978,999.70 and 3,466,847.64 is: 5,200,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985,650.04 : 17,978,999.70 = 3,466,847.64 : x
  2. Step 2: Convert to fraction form
    11,985,650.04/17,978,999.70 = 3,466,847.64/x
  3. Step 3: Cross multiply
    11,985,650.04x = 17,978,999.70 × 3,466,847.64
  4. Step 4: Simplify right side
    11,985,650.04x = 62,330,452,679,505.71
  5. Step 5: Solve for x
    x = 62,330,452,679,505.71/11,985,650.04
  6. Step 6: Final answer
    x = 5,200,423.21

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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.