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Finding the Fourth Proportional to 27,116.88, 40,563 and 25,458

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Solution

The fourth proportional to 27,116.88, 40,563 and 25,458 is: 38,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.88 : 40,563 = 25,458 : x
  2. Step 2: Convert to fraction form
    27,116.88/40,563 = 25,458/x
  3. Step 3: Cross multiply
    27,116.88x = 40,563 × 25,458
  4. Step 4: Simplify right side
    27,116.88x = 1,032,652,854
  5. Step 5: Solve for x
    x = 1,032,652,854/27,116.88
  6. Step 6: Final answer
    x = 38,081.55

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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.