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Finding the Fourth Proportional to 8,602,165.98, 12,902,942.79 and 3,744,464.76

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Solution

The fourth proportional to 8,602,165.98, 12,902,942.79 and 3,744,464.76 is: 5,616,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602,165.98 : 12,902,942.79 = 3,744,464.76 : x
  2. Step 2: Convert to fraction form
    8,602,165.98/12,902,942.79 = 3,744,464.76/x
  3. Step 3: Cross multiply
    8,602,165.98x = 12,902,942.79 × 3,744,464.76
  4. Step 4: Simplify right side
    8,602,165.98x = 48,314,614,577,451.07
  5. Step 5: Solve for x
    x = 48,314,614,577,451.07/8,602,165.98
  6. Step 6: Final answer
    x = 5,616,563.86

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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.