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Finding the Fourth Proportional to 15,969,598.65, 23,945,649.98 and 7,864,751.61

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Solution

The fourth proportional to 15,969,598.65, 23,945,649.98 and 7,864,751.61 is: 11,792,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969,598.65 : 23,945,649.98 = 7,864,751.61 : x
  2. Step 2: Convert to fraction form
    15,969,598.65/23,945,649.98 = 7,864,751.61/x
  3. Step 3: Cross multiply
    15,969,598.65x = 23,945,649.98 × 7,864,751.61
  4. Step 4: Simplify right side
    15,969,598.65x = 188,326,589,193,377.72
  5. Step 5: Solve for x
    x = 188,326,589,193,377.72/15,969,598.65
  6. Step 6: Final answer
    x = 11,792,819.18

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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.