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Finding the Fourth Proportional to 27,841.88, 38,422.50 and 15,266.84

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Solution

The fourth proportional to 27,841.88, 38,422.50 and 15,266.84 is: 21,068.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,841.88 : 38,422.50 = 15,266.84 : x
  2. Step 2: Convert to fraction form
    27,841.88/38,422.50 = 15,266.84/x
  3. Step 3: Cross multiply
    27,841.88x = 38,422.50 × 15,266.84
  4. Step 4: Simplify right side
    27,841.88x = 586,590,159.90
  5. Step 5: Solve for x
    x = 586,590,159.90/27,841.88
  6. Step 6: Final answer
    x = 21,068.63

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