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Finding the Fourth Proportional to 16,683,878.80, 24,997,824.60 and 8,145,830.80

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Solution

The fourth proportional to 16,683,878.80, 24,997,824.60 and 8,145,830.80 is: 12,205,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683,878.80 : 24,997,824.60 = 8,145,830.80 : x
  2. Step 2: Convert to fraction form
    16,683,878.80/24,997,824.60 = 8,145,830.80/x
  3. Step 3: Cross multiply
    16,683,878.80x = 24,997,824.60 × 8,145,830.80
  4. Step 4: Simplify right side
    16,683,878.80x = 203,628,049,559,677.69
  5. Step 5: Solve for x
    x = 203,628,049,559,677.69/16,683,878.80
  6. Step 6: Final answer
    x = 12,205,078.45

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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.