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Finding the Fourth Proportional to 6,797,421.74, 9,380,689.53 and 3,699,795.39

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Solution

The fourth proportional to 6,797,421.74, 9,380,689.53 and 3,699,795.39 is: 5,105,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,797,421.74 : 9,380,689.53 = 3,699,795.39 : x
  2. Step 2: Convert to fraction form
    6,797,421.74/9,380,689.53 = 3,699,795.39/x
  3. Step 3: Cross multiply
    6,797,421.74x = 9,380,689.53 × 3,699,795.39
  4. Step 4: Simplify right side
    6,797,421.74x = 34,706,631,849,874.80
  5. Step 5: Solve for x
    x = 34,706,631,849,874.80/6,797,421.74
  6. Step 6: Final answer
    x = 5,105,852.36

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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.