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Finding the Fourth Proportional to 17,298.50, 25,947.74 and 5,611.82

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Solution

The fourth proportional to 17,298.50, 25,947.74 and 5,611.82 is: 8,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,298.50 : 25,947.74 = 5,611.82 : x
  2. Step 2: Convert to fraction form
    17,298.50/25,947.74 = 5,611.82/x
  3. Step 3: Cross multiply
    17,298.50x = 25,947.74 × 5,611.82
  4. Step 4: Simplify right side
    17,298.50x = 145,613,930.58
  5. Step 5: Solve for x
    x = 145,613,930.58/17,298.50
  6. Step 6: Final answer
    x = 8,417.72

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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.