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Finding the Fourth Proportional to 11,995,600.90, 17,993,401.35 and 11,995,600.90

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Solution

The fourth proportional to 11,995,600.90, 17,993,401.35 and 11,995,600.90 is: 17,993,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995,600.90 : 17,993,401.35 = 11,995,600.90 : x
  2. Step 2: Convert to fraction form
    11,995,600.90/17,993,401.35 = 11,995,600.90/x
  3. Step 3: Cross multiply
    11,995,600.90x = 17,993,401.35 × 11,995,600.90
  4. Step 4: Simplify right side
    11,995,600.90x = 215,841,661,428,121.25
  5. Step 5: Solve for x
    x = 215,841,661,428,121.25/11,995,600.90
  6. Step 6: Final answer
    x = 17,993,401.35

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Similar ratio
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1.5x scale

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.