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Finding the Fourth Proportional to 7,671.56, 10,586.09 and 4,314.74

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Solution

The fourth proportional to 7,671.56, 10,586.09 and 4,314.74 is: 5,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.56 : 10,586.09 = 4,314.74 : x
  2. Step 2: Convert to fraction form
    7,671.56/10,586.09 = 4,314.74/x
  3. Step 3: Cross multiply
    7,671.56x = 10,586.09 × 4,314.74
  4. Step 4: Simplify right side
    7,671.56x = 45,676,183.82
  5. Step 5: Solve for x
    x = 45,676,183.82/7,671.56
  6. Step 6: Final answer
    x = 5,953.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.