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Finding the Fourth Proportional to 27,118.88, 40,566 and 25,460

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Solution

The fourth proportional to 27,118.88, 40,566 and 25,460 is: 38,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.88 : 40,566 = 25,460 : x
  2. Step 2: Convert to fraction form
    27,118.88/40,566 = 25,460/x
  3. Step 3: Cross multiply
    27,118.88x = 40,566 × 25,460
  4. Step 4: Simplify right side
    27,118.88x = 1,032,810,360
  5. Step 5: Solve for x
    x = 1,032,810,360/27,118.88
  6. Step 6: Final answer
    x = 38,084.55

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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.