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Finding the Fourth Proportional to 4,667.10, 7,000.65 and 4,379.10

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Solution

The fourth proportional to 4,667.10, 7,000.65 and 4,379.10 is: 6,568.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.10 : 7,000.65 = 4,379.10 : x
  2. Step 2: Convert to fraction form
    4,667.10/7,000.65 = 4,379.10/x
  3. Step 3: Cross multiply
    4,667.10x = 7,000.65 × 4,379.10
  4. Step 4: Simplify right side
    4,667.10x = 30,656,546.42
  5. Step 5: Solve for x
    x = 30,656,546.42/4,667.10
  6. Step 6: Final answer
    x = 6,568.65

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Half scale
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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.