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Finding the Fourth Proportional to 8,345,661.84, 12,517,012.98 and 3,795,644.88

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Solution

The fourth proportional to 8,345,661.84, 12,517,012.98 and 3,795,644.88 is: 5,692,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345,661.84 : 12,517,012.98 = 3,795,644.88 : x
  2. Step 2: Convert to fraction form
    8,345,661.84/12,517,012.98 = 3,795,644.88/x
  3. Step 3: Cross multiply
    8,345,661.84x = 12,517,012.98 × 3,795,644.88
  4. Step 4: Simplify right side
    8,345,661.84x = 47,510,136,230,430.54
  5. Step 5: Solve for x
    x = 47,510,136,230,430.54/8,345,661.84
  6. Step 6: Final answer
    x = 5,692,794.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.