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Finding the Fourth Proportional to 18,434.88, 27,652.42 and 4,583.88

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Solution

The fourth proportional to 18,434.88, 27,652.42 and 4,583.88 is: 6,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.88 : 27,652.42 = 4,583.88 : x
  2. Step 2: Convert to fraction form
    18,434.88/27,652.42 = 4,583.88/x
  3. Step 3: Cross multiply
    18,434.88x = 27,652.42 × 4,583.88
  4. Step 4: Simplify right side
    18,434.88x = 126,755,374.99
  5. Step 5: Solve for x
    x = 126,755,374.99/18,434.88
  6. Step 6: Final answer
    x = 6,875.84

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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.