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Finding the Fourth Proportional to 7,606.76, 10,496.72 and 4,249.31

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Solution

The fourth proportional to 7,606.76, 10,496.72 and 4,249.31 is: 5,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.76 : 10,496.72 = 4,249.31 : x
  2. Step 2: Convert to fraction form
    7,606.76/10,496.72 = 4,249.31/x
  3. Step 3: Cross multiply
    7,606.76x = 10,496.72 × 4,249.31
  4. Step 4: Simplify right side
    7,606.76x = 44,603,775.40
  5. Step 5: Solve for x
    x = 44,603,775.40/7,606.76
  6. Step 6: Final answer
    x = 5,863.71

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Half scale
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Double scale
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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.