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Finding the Fourth Proportional to 6,953,495.95, 9,595,809.03 and 3,855,942.78

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Solution

The fourth proportional to 6,953,495.95, 9,595,809.03 and 3,855,942.78 is: 5,321,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,953,495.95 : 9,595,809.03 = 3,855,942.78 : x
  2. Step 2: Convert to fraction form
    6,953,495.95/9,595,809.03 = 3,855,942.78/x
  3. Step 3: Cross multiply
    6,953,495.95x = 9,595,809.03 × 3,855,942.78
  4. Step 4: Simplify right side
    6,953,495.95x = 37,000,890,547,487.30
  5. Step 5: Solve for x
    x = 37,000,890,547,487.30/6,953,495.95
  6. Step 6: Final answer
    x = 5,321,192.51

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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.