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Finding the Fourth Proportional to 2,745,854.82, 3,789,665.92 and 1,699,611.86

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Solution

The fourth proportional to 2,745,854.82, 3,789,665.92 and 1,699,611.86 is: 2,345,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745,854.82 : 3,789,665.92 = 1,699,611.86 : x
  2. Step 2: Convert to fraction form
    2,745,854.82/3,789,665.92 = 1,699,611.86/x
  3. Step 3: Cross multiply
    2,745,854.82x = 3,789,665.92 × 1,699,611.86
  4. Step 4: Simplify right side
    2,745,854.82x = 6,440,961,115,623.42
  5. Step 5: Solve for x
    x = 6,440,961,115,623.42/2,745,854.82
  6. Step 6: Final answer
    x = 2,345,703.45

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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.