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Finding the Fourth Proportional to 16,818,716.70, 23,609,976.30 and 16,818,716.70

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Solution

The fourth proportional to 16,818,716.70, 23,609,976.30 and 16,818,716.70 is: 23,609,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818,716.70 : 23,609,976.30 = 16,818,716.70 : x
  2. Step 2: Convert to fraction form
    16,818,716.70/23,609,976.30 = 16,818,716.70/x
  3. Step 3: Cross multiply
    16,818,716.70x = 23,609,976.30 × 16,818,716.70
  4. Step 4: Simplify right side
    16,818,716.70x = 397,089,502,683,414.19
  5. Step 5: Solve for x
    x = 397,089,502,683,414.19/16,818,716.70
  6. Step 6: Final answer
    x = 23,609,976.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.