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Finding the Fourth Proportional to 17,804,972.70, 26,707,459.05 and 17,616,015.90

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Solution

The fourth proportional to 17,804,972.70, 26,707,459.05 and 17,616,015.90 is: 26,424,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,804,972.70 : 26,707,459.05 = 17,616,015.90 : x
  2. Step 2: Convert to fraction form
    17,804,972.70/26,707,459.05 = 17,616,015.90/x
  3. Step 3: Cross multiply
    17,804,972.70x = 26,707,459.05 × 17,616,015.90
  4. Step 4: Simplify right side
    17,804,972.70x = 470,479,023,273,398.88
  5. Step 5: Solve for x
    x = 470,479,023,273,398.88/17,804,972.70
  6. Step 6: Final answer
    x = 26,424,023.85

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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.