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Finding the Fourth Proportional to 16,715.92, 25,076.04 and 5,027.08

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Solution

The fourth proportional to 16,715.92, 25,076.04 and 5,027.08 is: 7,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,715.92 : 25,076.04 = 5,027.08 : x
  2. Step 2: Convert to fraction form
    16,715.92/25,076.04 = 5,027.08/x
  3. Step 3: Cross multiply
    16,715.92x = 25,076.04 × 5,027.08
  4. Step 4: Simplify right side
    16,715.92x = 126,059,259.16
  5. Step 5: Solve for x
    x = 126,059,259.16/16,715.92
  6. Step 6: Final answer
    x = 7,541.27

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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.