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Finding the Fourth Proportional to 40,425,793.05, 60,638,689.58 and 40,425,793.05

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Solution

The fourth proportional to 40,425,793.05, 60,638,689.58 and 40,425,793.05 is: 60,638,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425,793.05 : 60,638,689.58 = 40,425,793.05 : x
  2. Step 2: Convert to fraction form
    40,425,793.05/60,638,689.58 = 40,425,793.05/x
  3. Step 3: Cross multiply
    40,425,793.05x = 60,638,689.58 × 40,425,793.05
  4. Step 4: Simplify right side
    40,425,793.05x = 2,451,367,115,582,142.50
  5. Step 5: Solve for x
    x = 2,451,367,115,582,142.50/40,425,793.05
  6. Step 6: Final answer
    x = 60,638,689.58

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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.