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Finding the Fourth Proportional to 17,104.16, 25,648.04 and 8,779.89

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Solution

The fourth proportional to 17,104.16, 25,648.04 and 8,779.89 is: 13,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,104.16 : 25,648.04 = 8,779.89 : x
  2. Step 2: Convert to fraction form
    17,104.16/25,648.04 = 8,779.89/x
  3. Step 3: Cross multiply
    17,104.16x = 25,648.04 × 8,779.89
  4. Step 4: Simplify right side
    17,104.16x = 225,187,088.05
  5. Step 5: Solve for x
    x = 225,187,088.05/17,104.16
  6. Step 6: Final answer
    x = 13,165.63

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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.