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Finding the Fourth Proportional to 8,664,774.42, 11,958,190.80 and 4,797,295.56

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Solution

The fourth proportional to 8,664,774.42, 11,958,190.80 and 4,797,295.56 is: 6,620,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664,774.42 : 11,958,190.80 = 4,797,295.56 : x
  2. Step 2: Convert to fraction form
    8,664,774.42/11,958,190.80 = 4,797,295.56/x
  3. Step 3: Cross multiply
    8,664,774.42x = 11,958,190.80 × 4,797,295.56
  4. Step 4: Simplify right side
    8,664,774.42x = 57,366,975,630,472.84
  5. Step 5: Solve for x
    x = 57,366,975,630,472.84/8,664,774.42
  6. Step 6: Final answer
    x = 6,620,711.96

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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.