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Finding the Fourth Proportional to 15,060.48, 22,580.64 and 5,815.68

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Solution

The fourth proportional to 15,060.48, 22,580.64 and 5,815.68 is: 8,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060.48 : 22,580.64 = 5,815.68 : x
  2. Step 2: Convert to fraction form
    15,060.48/22,580.64 = 5,815.68/x
  3. Step 3: Cross multiply
    15,060.48x = 22,580.64 × 5,815.68
  4. Step 4: Simplify right side
    15,060.48x = 131,321,776.44
  5. Step 5: Solve for x
    x = 131,321,776.44/15,060.48
  6. Step 6: Final answer
    x = 8,719.63

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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.