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Finding the Fourth Proportional to 17,253.92, 25,880.88 and 13,774.88

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Solution

The fourth proportional to 17,253.92, 25,880.88 and 13,774.88 is: 20,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,253.92 : 25,880.88 = 13,774.88 : x
  2. Step 2: Convert to fraction form
    17,253.92/25,880.88 = 13,774.88/x
  3. Step 3: Cross multiply
    17,253.92x = 25,880.88 × 13,774.88
  4. Step 4: Simplify right side
    17,253.92x = 356,506,016.29
  5. Step 5: Solve for x
    x = 356,506,016.29/17,253.92
  6. Step 6: Final answer
    x = 20,662.32

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Similar ratio
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1.5x scale

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.