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Finding the Fourth Proportional to 4,287.39, 6,463.22 and 4,001.63

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Solution

The fourth proportional to 4,287.39, 6,463.22 and 4,001.63 is: 6,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.39 : 6,463.22 = 4,001.63 : x
  2. Step 2: Convert to fraction form
    4,287.39/6,463.22 = 4,001.63/x
  3. Step 3: Cross multiply
    4,287.39x = 6,463.22 × 4,001.63
  4. Step 4: Simplify right side
    4,287.39x = 25,863,362.72
  5. Step 5: Solve for x
    x = 25,863,362.72/4,287.39
  6. Step 6: Final answer
    x = 6,032.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.