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Finding the Fourth Proportional to 7,134,783.89, 9,829,841.84 and 6,794,661.65

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Solution

The fourth proportional to 7,134,783.89, 9,829,841.84 and 6,794,661.65 is: 9,361,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,783.89 : 9,829,841.84 = 6,794,661.65 : x
  2. Step 2: Convert to fraction form
    7,134,783.89/9,829,841.84 = 6,794,661.65/x
  3. Step 3: Cross multiply
    7,134,783.89x = 9,829,841.84 × 6,794,661.65
  4. Step 4: Simplify right side
    7,134,783.89x = 66,790,449,292,690.92
  5. Step 5: Solve for x
    x = 66,790,449,292,690.92/7,134,783.89
  6. Step 6: Final answer
    x = 9,361,243.50

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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.