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Finding the Fourth Proportional to 4,640.76, 6,404.13 and 2,544.75

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Solution

The fourth proportional to 4,640.76, 6,404.13 and 2,544.75 is: 3,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.76 : 6,404.13 = 2,544.75 : x
  2. Step 2: Convert to fraction form
    4,640.76/6,404.13 = 2,544.75/x
  3. Step 3: Cross multiply
    4,640.76x = 6,404.13 × 2,544.75
  4. Step 4: Simplify right side
    4,640.76x = 16,296,909.82
  5. Step 5: Solve for x
    x = 16,296,909.82/4,640.76
  6. Step 6: Final answer
    x = 3,511.69

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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.