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Finding the Fourth Proportional to 17,467,211.20, 26,200,816.80 and 17,467,211.20

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Solution

The fourth proportional to 17,467,211.20, 26,200,816.80 and 17,467,211.20 is: 26,200,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,467,211.20 : 26,200,816.80 = 17,467,211.20 : x
  2. Step 2: Convert to fraction form
    17,467,211.20/26,200,816.80 = 17,467,211.20/x
  3. Step 3: Cross multiply
    17,467,211.20x = 26,200,816.80 × 17,467,211.20
  4. Step 4: Simplify right side
    17,467,211.20x = 457,655,200,658,108.12
  5. Step 5: Solve for x
    x = 457,655,200,658,108.12/17,467,211.20
  6. Step 6: Final answer
    x = 26,200,816.80

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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.