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Finding the Fourth Proportional to 17,110,693.70, 25,666,040.55 and 16,992,728.90

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Solution

The fourth proportional to 17,110,693.70, 25,666,040.55 and 16,992,728.90 is: 25,489,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110,693.70 : 25,666,040.55 = 16,992,728.90 : x
  2. Step 2: Convert to fraction form
    17,110,693.70/25,666,040.55 = 16,992,728.90/x
  3. Step 3: Cross multiply
    17,110,693.70x = 25,666,040.55 × 16,992,728.90
  4. Step 4: Simplify right side
    17,110,693.70x = 436,136,069,002,556.88
  5. Step 5: Solve for x
    x = 436,136,069,002,556.88/17,110,693.70
  6. Step 6: Final answer
    x = 25,489,093.35

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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.