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Finding the Fourth Proportional to 17,489,619.90, 26,199,000.45 and 9,907,728.30

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Solution

The fourth proportional to 17,489,619.90, 26,199,000.45 and 9,907,728.30 is: 14,841,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489,619.90 : 26,199,000.45 = 9,907,728.30 : x
  2. Step 2: Convert to fraction form
    17,489,619.90/26,199,000.45 = 9,907,728.30/x
  3. Step 3: Cross multiply
    17,489,619.90x = 26,199,000.45 × 9,907,728.30
  4. Step 4: Simplify right side
    17,489,619.90x = 259,572,578,190,177.75
  5. Step 5: Solve for x
    x = 259,572,578,190,177.75/17,489,619.90
  6. Step 6: Final answer
    x = 14,841,521.98

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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.