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Finding the Fourth Proportional to 25,080.72, 37,623.08 and 8,440.62

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Solution

The fourth proportional to 25,080.72, 37,623.08 and 8,440.62 is: 12,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,080.72 : 37,623.08 = 8,440.62 : x
  2. Step 2: Convert to fraction form
    25,080.72/37,623.08 = 8,440.62/x
  3. Step 3: Cross multiply
    25,080.72x = 37,623.08 × 8,440.62
  4. Step 4: Simplify right side
    25,080.72x = 317,562,079.31
  5. Step 5: Solve for x
    x = 317,562,079.31/25,080.72
  6. Step 6: Final answer
    x = 12,661.60

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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.