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Finding the Fourth Proportional to 3,670,221.10, 5,494,834.05 and 3,670,221.10

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Solution

The fourth proportional to 3,670,221.10, 5,494,834.05 and 3,670,221.10 is: 5,494,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,221.10 : 5,494,834.05 = 3,670,221.10 : x
  2. Step 2: Convert to fraction form
    3,670,221.10/5,494,834.05 = 3,670,221.10/x
  3. Step 3: Cross multiply
    3,670,221.10x = 5,494,834.05 × 3,670,221.10
  4. Step 4: Simplify right side
    3,670,221.10x = 20,167,255,871,308.45
  5. Step 5: Solve for x
    x = 20,167,255,871,308.45/3,670,221.10
  6. Step 6: Final answer
    x = 5,494,834.05

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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.