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Finding the Fourth Proportional to 6,996,492.07, 9,654,734.94 and 3,856,618.44

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Solution

The fourth proportional to 6,996,492.07, 9,654,734.94 and 3,856,618.44 is: 5,321,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,996,492.07 : 9,654,734.94 = 3,856,618.44 : x
  2. Step 2: Convert to fraction form
    6,996,492.07/9,654,734.94 = 3,856,618.44/x
  3. Step 3: Cross multiply
    6,996,492.07x = 9,654,734.94 × 3,856,618.44
  4. Step 4: Simplify right side
    6,996,492.07x = 37,234,628,802,916.29
  5. Step 5: Solve for x
    x = 37,234,628,802,916.29/6,996,492.07
  6. Step 6: Final answer
    x = 5,321,899.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.