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Finding the Fourth Proportional to 17,647,543.90, 26,471,315.85 and 17,647,543.90

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Solution

The fourth proportional to 17,647,543.90, 26,471,315.85 and 17,647,543.90 is: 26,471,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647,543.90 : 26,471,315.85 = 17,647,543.90 : x
  2. Step 2: Convert to fraction form
    17,647,543.90/26,471,315.85 = 17,647,543.90/x
  3. Step 3: Cross multiply
    17,647,543.90x = 26,471,315.85 × 17,647,543.90
  4. Step 4: Simplify right side
    17,647,543.90x = 467,153,708,553,640.81
  5. Step 5: Solve for x
    x = 467,153,708,553,640.81/17,647,543.90
  6. Step 6: Final answer
    x = 26,471,315.85

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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.