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Finding the Fourth Proportional to 16,359,942.80, 24,539,683.80 and 7,384,480.40

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Solution

The fourth proportional to 16,359,942.80, 24,539,683.80 and 7,384,480.40 is: 11,076,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,359,942.80 : 24,539,683.80 = 7,384,480.40 : x
  2. Step 2: Convert to fraction form
    16,359,942.80/24,539,683.80 = 7,384,480.40/x
  3. Step 3: Cross multiply
    16,359,942.80x = 24,539,683.80 × 7,384,480.40
  4. Step 4: Simplify right side
    16,359,942.80x = 181,212,814,043,297.53
  5. Step 5: Solve for x
    x = 181,212,814,043,297.53/16,359,942.80
  6. Step 6: Final answer
    x = 11,076,616.60

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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.