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Finding the Fourth Proportional to 7,136,706.93, 9,848,666.39 and 3,873,522.86

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Solution

The fourth proportional to 7,136,706.93, 9,848,666.39 and 3,873,522.86 is: 5,345,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,706.93 : 9,848,666.39 = 3,873,522.86 : x
  2. Step 2: Convert to fraction form
    7,136,706.93/9,848,666.39 = 3,873,522.86/x
  3. Step 3: Cross multiply
    7,136,706.93x = 9,848,666.39 × 3,873,522.86
  4. Step 4: Simplify right side
    7,136,706.93x = 38,149,034,392,288.80
  5. Step 5: Solve for x
    x = 38,149,034,392,288.80/7,136,706.93
  6. Step 6: Final answer
    x = 5,345,467.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.