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Finding the Fourth Proportional to 17,088,855.96, 23,582,655.86 and 9,354,391.88

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Solution

The fourth proportional to 17,088,855.96, 23,582,655.86 and 9,354,391.88 is: 12,909,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088,855.96 : 23,582,655.86 = 9,354,391.88 : x
  2. Step 2: Convert to fraction form
    17,088,855.96/23,582,655.86 = 9,354,391.88/x
  3. Step 3: Cross multiply
    17,088,855.96x = 23,582,655.86 × 9,354,391.88
  4. Step 4: Simplify right side
    17,088,855.96x = 220,601,404,485,618.44
  5. Step 5: Solve for x
    x = 220,601,404,485,618.44/17,088,855.96
  6. Step 6: Final answer
    x = 12,909,079.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.