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Finding the Fourth Proportional to 16,903.59, 25,359.03 and 5,058.30

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Solution

The fourth proportional to 16,903.59, 25,359.03 and 5,058.30 is: 7,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,903.59 : 25,359.03 = 5,058.30 : x
  2. Step 2: Convert to fraction form
    16,903.59/25,359.03 = 5,058.30/x
  3. Step 3: Cross multiply
    16,903.59x = 25,359.03 × 5,058.30
  4. Step 4: Simplify right side
    16,903.59x = 128,273,581.45
  5. Step 5: Solve for x
    x = 128,273,581.45/16,903.59
  6. Step 6: Final answer
    x = 7,588.54

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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.