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Finding the Fourth Proportional to 4,666.39, 6,999.59 and 4,381.27

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Solution

The fourth proportional to 4,666.39, 6,999.59 and 4,381.27 is: 6,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.39 : 6,999.59 = 4,381.27 : x
  2. Step 2: Convert to fraction form
    4,666.39/6,999.59 = 4,381.27/x
  3. Step 3: Cross multiply
    4,666.39x = 6,999.59 × 4,381.27
  4. Step 4: Simplify right side
    4,666.39x = 30,667,093.68
  5. Step 5: Solve for x
    x = 30,667,093.68/4,666.39
  6. Step 6: Final answer
    x = 6,571.91

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Half 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.