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Finding the Fourth Proportional to 15,324.63, 22,986.90 and 4,079.97

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Solution

The fourth proportional to 15,324.63, 22,986.90 and 4,079.97 is: 6,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324.63 : 22,986.90 = 4,079.97 : x
  2. Step 2: Convert to fraction form
    15,324.63/22,986.90 = 4,079.97/x
  3. Step 3: Cross multiply
    15,324.63x = 22,986.90 × 4,079.97
  4. Step 4: Simplify right side
    15,324.63x = 93,785,776.19
  5. Step 5: Solve for x
    x = 93,785,776.19/15,324.63
  6. Step 6: Final answer
    x = 6,119.94

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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.