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Finding the Fourth Proportional to 17,190.27, 25,785.42 and 4,710.42

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Solution

The fourth proportional to 17,190.27, 25,785.42 and 4,710.42 is: 7,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.27 : 25,785.42 = 4,710.42 : x
  2. Step 2: Convert to fraction form
    17,190.27/25,785.42 = 4,710.42/x
  3. Step 3: Cross multiply
    17,190.27x = 25,785.42 × 4,710.42
  4. Step 4: Simplify right side
    17,190.27x = 121,460,158.08
  5. Step 5: Solve for x
    x = 121,460,158.08/17,190.27
  6. Step 6: Final answer
    x = 7,065.63

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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.