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Finding the Fourth Proportional to 16,682,781.60, 23,299,207.20 and 16,682,781.60

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Solution

The fourth proportional to 16,682,781.60, 23,299,207.20 and 16,682,781.60 is: 23,299,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,682,781.60 : 23,299,207.20 = 16,682,781.60 : x
  2. Step 2: Convert to fraction form
    16,682,781.60/23,299,207.20 = 16,682,781.60/x
  3. Step 3: Cross multiply
    16,682,781.60x = 23,299,207.20 × 16,682,781.60
  4. Step 4: Simplify right side
    16,682,781.60x = 388,695,585,170,747.50
  5. Step 5: Solve for x
    x = 388,695,585,170,747.50/16,682,781.60
  6. Step 6: Final answer
    x = 23,299,207.20

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1.5x scale

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.