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Finding the Fourth Proportional to 17,809,603.10, 26,714,404.65 and 16,817,579.90

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Solution

The fourth proportional to 17,809,603.10, 26,714,404.65 and 16,817,579.90 is: 25,226,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,809,603.10 : 26,714,404.65 = 16,817,579.90 : x
  2. Step 2: Convert to fraction form
    17,809,603.10/26,714,404.65 = 16,817,579.90/x
  3. Step 3: Cross multiply
    17,809,603.10x = 26,714,404.65 × 16,817,579.90
  4. Step 4: Simplify right side
    17,809,603.10x = 449,271,634,682,306.50
  5. Step 5: Solve for x
    x = 449,271,634,682,306.50/17,809,603.10
  6. Step 6: Final answer
    x = 25,226,369.85

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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.