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Finding the Fourth Proportional to 17,597,621.40, 26,375,436.90 and 15,792,034.20

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Solution

The fourth proportional to 17,597,621.40, 26,375,436.90 and 15,792,034.20 is: 23,669,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,597,621.40 : 26,375,436.90 = 15,792,034.20 : x
  2. Step 2: Convert to fraction form
    17,597,621.40/26,375,436.90 = 15,792,034.20/x
  3. Step 3: Cross multiply
    17,597,621.40x = 26,375,436.90 × 15,792,034.20
  4. Step 4: Simplify right side
    17,597,621.40x = 416,521,801,564,741.94
  5. Step 5: Solve for x
    x = 416,521,801,564,741.94/17,597,621.40
  6. Step 6: Final answer
    x = 23,669,210.29

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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.