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Finding the Fourth Proportional to 2,693,163.60, 4,041,948.60 and 2,672,168.40

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Solution

The fourth proportional to 2,693,163.60, 4,041,948.60 and 2,672,168.40 is: 4,010,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693,163.60 : 4,041,948.60 = 2,672,168.40 : x
  2. Step 2: Convert to fraction form
    2,693,163.60/4,041,948.60 = 2,672,168.40/x
  3. Step 3: Cross multiply
    2,693,163.60x = 4,041,948.60 × 2,672,168.40
  4. Step 4: Simplify right side
    2,693,163.60x = 10,800,767,323,344.24
  5. Step 5: Solve for x
    x = 10,800,767,323,344.24/2,693,163.60
  6. Step 6: Final answer
    x = 4,010,438.62

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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.