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Finding the Fourth Proportional to 17,239,857.50, 25,859,915.88 and 7,652,658.62

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Solution

The fourth proportional to 17,239,857.50, 25,859,915.88 and 7,652,658.62 is: 11,479,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239,857.50 : 25,859,915.88 = 7,652,658.62 : x
  2. Step 2: Convert to fraction form
    17,239,857.50/25,859,915.88 = 7,652,658.62/x
  3. Step 3: Cross multiply
    17,239,857.50x = 25,859,915.88 × 7,652,658.62
  4. Step 4: Simplify right side
    17,239,857.50x = 197,897,108,171,556.88
  5. Step 5: Solve for x
    x = 197,897,108,171,556.88/17,239,857.50
  6. Step 6: Final answer
    x = 11,479,045.47

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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.