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Finding the Fourth Proportional to 4,791,593.45, 6,612,978.83 and 2,727,111.01

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Solution

The fourth proportional to 4,791,593.45, 6,612,978.83 and 2,727,111.01 is: 3,763,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791,593.45 : 6,612,978.83 = 2,727,111.01 : x
  2. Step 2: Convert to fraction form
    4,791,593.45/6,612,978.83 = 2,727,111.01/x
  3. Step 3: Cross multiply
    4,791,593.45x = 6,612,978.83 × 2,727,111.01
  4. Step 4: Simplify right side
    4,791,593.45x = 18,034,327,346,021.91
  5. Step 5: Solve for x
    x = 18,034,327,346,021.91/4,791,593.45
  6. Step 6: Final answer
    x = 3,763,743.22

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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.