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Finding the Fourth Proportional to 11,847,407.90, 16,634,200.75 and 11,847,407.90

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Solution

The fourth proportional to 11,847,407.90, 16,634,200.75 and 11,847,407.90 is: 16,634,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847,407.90 : 16,634,200.75 = 11,847,407.90 : x
  2. Step 2: Convert to fraction form
    11,847,407.90/16,634,200.75 = 11,847,407.90/x
  3. Step 3: Cross multiply
    11,847,407.90x = 16,634,200.75 × 11,847,407.90
  4. Step 4: Simplify right side
    11,847,407.90x = 197,072,161,375,735.94
  5. Step 5: Solve for x
    x = 197,072,161,375,735.94/11,847,407.90
  6. Step 6: Final answer
    x = 16,634,200.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.