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Finding the Fourth Proportional to 37,786,136.40, 56,683,805.40 and 13,527,608.40

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Solution

The fourth proportional to 37,786,136.40, 56,683,805.40 and 13,527,608.40 is: 20,293,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,786,136.40 : 56,683,805.40 = 13,527,608.40 : x
  2. Step 2: Convert to fraction form
    37,786,136.40/56,683,805.40 = 13,527,608.40/x
  3. Step 3: Cross multiply
    37,786,136.40x = 56,683,805.40 × 13,527,608.40
  4. Step 4: Simplify right side
    37,786,136.40x = 766,796,322,073,005.38
  5. Step 5: Solve for x
    x = 766,796,322,073,005.38/37,786,136.40
  6. Step 6: Final answer
    x = 20,293,059.71

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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.