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Finding the Fourth Proportional to 17,798,446.05, 26,697,712.80 and 5,019,017.73

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Solution

The fourth proportional to 17,798,446.05, 26,697,712.80 and 5,019,017.73 is: 7,528,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798,446.05 : 26,697,712.80 = 5,019,017.73 : x
  2. Step 2: Convert to fraction form
    17,798,446.05/26,697,712.80 = 5,019,017.73/x
  3. Step 3: Cross multiply
    17,798,446.05x = 26,697,712.80 × 5,019,017.73
  4. Step 4: Simplify right side
    17,798,446.05x = 133,996,293,893,647.95
  5. Step 5: Solve for x
    x = 133,996,293,893,647.95/17,798,446.05
  6. Step 6: Final answer
    x = 7,528,538.93

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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.