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Finding the Fourth Proportional to 5,593,994.56, 7,719,656.50 and 3,113,173.69

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Solution

The fourth proportional to 5,593,994.56, 7,719,656.50 and 3,113,173.69 is: 4,296,148.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593,994.56 : 7,719,656.50 = 3,113,173.69 : x
  2. Step 2: Convert to fraction form
    5,593,994.56/7,719,656.50 = 3,113,173.69/x
  3. Step 3: Cross multiply
    5,593,994.56x = 7,719,656.50 × 3,113,173.69
  4. Step 4: Simplify right side
    5,593,994.56x = 24,032,631,539,652.88
  5. Step 5: Solve for x
    x = 24,032,631,539,652.88/5,593,994.56
  6. Step 6: Final answer
    x = 4,296,148.54

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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.