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Finding the Fourth Proportional to 15,192.64, 22,775.38 and 8,176.40

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Solution

The fourth proportional to 15,192.64, 22,775.38 and 8,176.40 is: 12,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.64 : 22,775.38 = 8,176.40 : x
  2. Step 2: Convert to fraction form
    15,192.64/22,775.38 = 8,176.40/x
  3. Step 3: Cross multiply
    15,192.64x = 22,775.38 × 8,176.40
  4. Step 4: Simplify right side
    15,192.64x = 186,220,617.03
  5. Step 5: Solve for x
    x = 186,220,617.03/15,192.64
  6. Step 6: Final answer
    x = 12,257.29

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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.