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Finding the Fourth Proportional to 16,661.01, 24,979.17 and 10,085.64

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Solution

The fourth proportional to 16,661.01, 24,979.17 and 10,085.64 is: 15,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.01 : 24,979.17 = 10,085.64 : x
  2. Step 2: Convert to fraction form
    16,661.01/24,979.17 = 10,085.64/x
  3. Step 3: Cross multiply
    16,661.01x = 24,979.17 × 10,085.64
  4. Step 4: Simplify right side
    16,661.01x = 251,930,916.12
  5. Step 5: Solve for x
    x = 251,930,916.12/16,661.01
  6. Step 6: Final answer
    x = 15,120.99

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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.