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Finding the Fourth Proportional to 8,664,774.15, 11,958,190.47 and 4,797,295.32

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Solution

The fourth proportional to 8,664,774.15, 11,958,190.47 and 4,797,295.32 is: 6,620,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664,774.15 : 11,958,190.47 = 4,797,295.32 : x
  2. Step 2: Convert to fraction form
    8,664,774.15/11,958,190.47 = 4,797,295.32/x
  3. Step 3: Cross multiply
    8,664,774.15x = 11,958,190.47 × 4,797,295.32
  4. Step 4: Simplify right side
    8,664,774.15x = 57,366,971,153,413.12
  5. Step 5: Solve for x
    x = 57,366,971,153,413.12/8,664,774.15
  6. Step 6: Final answer
    x = 6,620,711.65

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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.