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Finding the Fourth Proportional to 4,613.84, 6,918.60 and 2,018.96

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Solution

The fourth proportional to 4,613.84, 6,918.60 and 2,018.96 is: 3,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.84 : 6,918.60 = 2,018.96 : x
  2. Step 2: Convert to fraction form
    4,613.84/6,918.60 = 2,018.96/x
  3. Step 3: Cross multiply
    4,613.84x = 6,918.60 × 2,018.96
  4. Step 4: Simplify right side
    4,613.84x = 13,968,376.66
  5. Step 5: Solve for x
    x = 13,968,376.66/4,613.84
  6. Step 6: Final answer
    x = 3,027.49

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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.