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Finding the Fourth Proportional to 17,597,640.40, 26,375,465.40 and 15,792,053.20

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Solution

The fourth proportional to 17,597,640.40, 26,375,465.40 and 15,792,053.20 is: 23,669,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,597,640.40 : 26,375,465.40 = 15,792,053.20 : x
  2. Step 2: Convert to fraction form
    17,597,640.40/26,375,465.40 = 15,792,053.20/x
  3. Step 3: Cross multiply
    17,597,640.40x = 26,375,465.40 × 15,792,053.20
  4. Step 4: Simplify right side
    17,597,640.40x = 416,522,752,771,559.25
  5. Step 5: Solve for x
    x = 416,522,752,771,559.25/17,597,640.40
  6. Step 6: Final answer
    x = 23,669,238.79

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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.