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Finding the Fourth Proportional to 7,096.31, 10,644.46 and 2,931.74

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Solution

The fourth proportional to 7,096.31, 10,644.46 and 2,931.74 is: 4,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,096.31 : 10,644.46 = 2,931.74 : x
  2. Step 2: Convert to fraction form
    7,096.31/10,644.46 = 2,931.74/x
  3. Step 3: Cross multiply
    7,096.31x = 10,644.46 × 2,931.74
  4. Step 4: Simplify right side
    7,096.31x = 31,206,789.16
  5. Step 5: Solve for x
    x = 31,206,789.16/7,096.31
  6. Step 6: Final answer
    x = 4,397.61

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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.