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Finding the Fourth Proportional to 15,815.09, 23,734.31 and 7,495.08

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Solution

The fourth proportional to 15,815.09, 23,734.31 and 7,495.08 is: 11,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.09 : 23,734.31 = 7,495.08 : x
  2. Step 2: Convert to fraction form
    15,815.09/23,734.31 = 7,495.08/x
  3. Step 3: Cross multiply
    15,815.09x = 23,734.31 × 7,495.08
  4. Step 4: Simplify right side
    15,815.09x = 177,890,514.72
  5. Step 5: Solve for x
    x = 177,890,514.72/15,815.09
  6. Step 6: Final answer
    x = 11,248.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.