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Finding the Fourth Proportional to 17,798,447.05, 26,697,714.30 and 5,019,018.73

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Solution

The fourth proportional to 17,798,447.05, 26,697,714.30 and 5,019,018.73 is: 7,528,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798,447.05 : 26,697,714.30 = 5,019,018.73 : x
  2. Step 2: Convert to fraction form
    17,798,447.05/26,697,714.30 = 5,019,018.73/x
  3. Step 3: Cross multiply
    17,798,447.05x = 26,697,714.30 × 5,019,018.73
  4. Step 4: Simplify right side
    17,798,447.05x = 133,996,328,119,888.86
  5. Step 5: Solve for x
    x = 133,996,328,119,888.86/17,798,447.05
  6. Step 6: Final answer
    x = 7,528,540.43

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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.