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Finding the Fourth Proportional to 22,764,572.80, 34,135,185.60 and 6,806,147.20

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Solution

The fourth proportional to 22,764,572.80, 34,135,185.60 and 6,806,147.20 is: 10,205,730.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,764,572.80 : 34,135,185.60 = 6,806,147.20 : x
  2. Step 2: Convert to fraction form
    22,764,572.80/34,135,185.60 = 6,806,147.20/x
  3. Step 3: Cross multiply
    22,764,572.80x = 34,135,185.60 × 6,806,147.20
  4. Step 4: Simplify right side
    22,764,572.80x = 232,329,097,892,920.34
  5. Step 5: Solve for x
    x = 232,329,097,892,920.34/22,764,572.80
  6. Step 6: Final answer
    x = 10,205,730.63

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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.