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Finding the Fourth Proportional to 6,170.81, 9,256.22 and 1,553.81

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Solution

The fourth proportional to 6,170.81, 9,256.22 and 1,553.81 is: 2,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.81 : 9,256.22 = 1,553.81 : x
  2. Step 2: Convert to fraction form
    6,170.81/9,256.22 = 1,553.81/x
  3. Step 3: Cross multiply
    6,170.81x = 9,256.22 × 1,553.81
  4. Step 4: Simplify right side
    6,170.81x = 14,382,434.22
  5. Step 5: Solve for x
    x = 14,382,434.22/6,170.81
  6. Step 6: Final answer
    x = 2,330.72

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Double scale
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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.