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Finding the Fourth Proportional to 17,714,816.40, 26,530,234.20 and 17,714,816.40

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Solution

The fourth proportional to 17,714,816.40, 26,530,234.20 and 17,714,816.40 is: 26,530,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,714,816.40 : 26,530,234.20 = 17,714,816.40 : x
  2. Step 2: Convert to fraction form
    17,714,816.40/26,530,234.20 = 17,714,816.40/x
  3. Step 3: Cross multiply
    17,714,816.40x = 26,530,234.20 × 17,714,816.40
  4. Step 4: Simplify right side
    17,714,816.40x = 469,978,227,902,000.81
  5. Step 5: Solve for x
    x = 469,978,227,902,000.81/17,714,816.40
  6. Step 6: Final answer
    x = 26,530,234.20

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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.