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Finding the Fourth Proportional to 7,496,751.49, 11,245,127.13 and 1,816,975.80

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Solution

The fourth proportional to 7,496,751.49, 11,245,127.13 and 1,816,975.80 is: 2,725,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496,751.49 : 11,245,127.13 = 1,816,975.80 : x
  2. Step 2: Convert to fraction form
    7,496,751.49/11,245,127.13 = 1,816,975.80/x
  3. Step 3: Cross multiply
    7,496,751.49x = 11,245,127.13 × 1,816,975.80
  4. Step 4: Simplify right side
    7,496,751.49x = 20,432,123,863,133.46
  5. Step 5: Solve for x
    x = 20,432,123,863,133.46/7,496,751.49
  6. Step 6: Final answer
    x = 2,725,463.68

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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.