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Finding the Fourth Proportional to 4,802.73, 6,613.97 and 4,125.09

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Solution

The fourth proportional to 4,802.73, 6,613.97 and 4,125.09 is: 5,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.73 : 6,613.97 = 4,125.09 : x
  2. Step 2: Convert to fraction form
    4,802.73/6,613.97 = 4,125.09/x
  3. Step 3: Cross multiply
    4,802.73x = 6,613.97 × 4,125.09
  4. Step 4: Simplify right side
    4,802.73x = 27,283,221.51
  5. Step 5: Solve for x
    x = 27,283,221.51/4,802.73
  6. Step 6: Final answer
    x = 5,680.77

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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.