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Finding the Fourth Proportional to 4,613.92, 6,881.16 and 3,924.96

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Solution

The fourth proportional to 4,613.92, 6,881.16 and 3,924.96 is: 5,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.92 : 6,881.16 = 3,924.96 : x
  2. Step 2: Convert to fraction form
    4,613.92/6,881.16 = 3,924.96/x
  3. Step 3: Cross multiply
    4,613.92x = 6,881.16 × 3,924.96
  4. Step 4: Simplify right side
    4,613.92x = 27,008,277.75
  5. Step 5: Solve for x
    x = 27,008,277.75/4,613.92
  6. Step 6: Final answer
    x = 5,853.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.