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Finding the Fourth Proportional to 7,892,883, 11,839,324.50 and 1,909,251

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Solution

The fourth proportional to 7,892,883, 11,839,324.50 and 1,909,251 is: 2,863,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,883 : 11,839,324.50 = 1,909,251 : x
  2. Step 2: Convert to fraction form
    7,892,883/11,839,324.50 = 1,909,251/x
  3. Step 3: Cross multiply
    7,892,883x = 11,839,324.50 × 1,909,251
  4. Step 4: Simplify right side
    7,892,883x = 22,604,242,140,949.50
  5. Step 5: Solve for x
    x = 22,604,242,140,949.50/7,892,883
  6. Step 6: Final answer
    x = 2,863,876.50

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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.