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Finding the Fourth Proportional to 4,407.82, 6,644.33 and 4,153.88

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Solution

The fourth proportional to 4,407.82, 6,644.33 and 4,153.88 is: 6,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.82 : 6,644.33 = 4,153.88 : x
  2. Step 2: Convert to fraction form
    4,407.82/6,644.33 = 4,153.88/x
  3. Step 3: Cross multiply
    4,407.82x = 6,644.33 × 4,153.88
  4. Step 4: Simplify right side
    4,407.82x = 27,599,760.92
  5. Step 5: Solve for x
    x = 27,599,760.92/4,407.82
  6. Step 6: Final answer
    x = 6,261.55

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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.