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Finding the Fourth Proportional to 25,274.98, 34,886.40 and 14,668

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Solution

The fourth proportional to 25,274.98, 34,886.40 and 14,668 is: 20,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274.98 : 34,886.40 = 14,668 : x
  2. Step 2: Convert to fraction form
    25,274.98/34,886.40 = 14,668/x
  3. Step 3: Cross multiply
    25,274.98x = 34,886.40 × 14,668
  4. Step 4: Simplify right side
    25,274.98x = 511,713,715.20
  5. Step 5: Solve for x
    x = 511,713,715.20/25,274.98
  6. Step 6: Final answer
    x = 20,245.86

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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.