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Finding the Fourth Proportional to 8,977,762.82, 13,468,536.74 and 2,912,022.65

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Solution

The fourth proportional to 8,977,762.82, 13,468,536.74 and 2,912,022.65 is: 4,368,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977,762.82 : 13,468,536.74 = 2,912,022.65 : x
  2. Step 2: Convert to fraction form
    8,977,762.82/13,468,536.74 = 2,912,022.65/x
  3. Step 3: Cross multiply
    8,977,762.82x = 13,468,536.74 × 2,912,022.65
  4. Step 4: Simplify right side
    8,977,762.82x = 39,220,684,090,188.55
  5. Step 5: Solve for x
    x = 39,220,684,090,188.55/8,977,762.82
  6. Step 6: Final answer
    x = 4,368,647.83

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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.