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Finding the Fourth Proportional to 17,087.30, 25,630.95 and 14,207.30

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Solution

The fourth proportional to 17,087.30, 25,630.95 and 14,207.30 is: 21,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.30 : 25,630.95 = 14,207.30 : x
  2. Step 2: Convert to fraction form
    17,087.30/25,630.95 = 14,207.30/x
  3. Step 3: Cross multiply
    17,087.30x = 25,630.95 × 14,207.30
  4. Step 4: Simplify right side
    17,087.30x = 364,146,595.94
  5. Step 5: Solve for x
    x = 364,146,595.94/17,087.30
  6. Step 6: Final answer
    x = 21,310.95

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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.