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Finding the Fourth Proportional to 27,554.25, 38,025 and 14,979

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Solution

The fourth proportional to 27,554.25, 38,025 and 14,979 is: 20,671.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,554.25 : 38,025 = 14,979 : x
  2. Step 2: Convert to fraction form
    27,554.25/38,025 = 14,979/x
  3. Step 3: Cross multiply
    27,554.25x = 38,025 × 14,979
  4. Step 4: Simplify right side
    27,554.25x = 569,576,475
  5. Step 5: Solve for x
    x = 569,576,475/27,554.25
  6. Step 6: Final answer
    x = 20,671.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.