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Finding the Fourth Proportional to 8,779.25, 13,171.16 and 2,623.25

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Solution

The fourth proportional to 8,779.25, 13,171.16 and 2,623.25 is: 3,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.25 : 13,171.16 = 2,623.25 : x
  2. Step 2: Convert to fraction form
    8,779.25/13,171.16 = 2,623.25/x
  3. Step 3: Cross multiply
    8,779.25x = 13,171.16 × 2,623.25
  4. Step 4: Simplify right side
    8,779.25x = 34,551,245.47
  5. Step 5: Solve for x
    x = 34,551,245.47/8,779.25
  6. Step 6: Final answer
    x = 3,935.56

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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.