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Finding the Fourth Proportional to 3,669,661.05, 5,504,491.59 and 3,669,661.05

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Solution

The fourth proportional to 3,669,661.05, 5,504,491.59 and 3,669,661.05 is: 5,504,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,661.05 : 5,504,491.59 = 3,669,661.05 : x
  2. Step 2: Convert to fraction form
    3,669,661.05/5,504,491.59 = 3,669,661.05/x
  3. Step 3: Cross multiply
    3,669,661.05x = 5,504,491.59 × 3,669,661.05
  4. Step 4: Simplify right side
    3,669,661.05x = 20,199,618,387,875.57
  5. Step 5: Solve for x
    x = 20,199,618,387,875.57/3,669,661.05
  6. Step 6: Final answer
    x = 5,504,491.59

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Double scale
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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.