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Finding the Fourth Proportional to 4,512, 6,754.56 and 3,728.16

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Solution

The fourth proportional to 4,512, 6,754.56 and 3,728.16 is: 5,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512 : 6,754.56 = 3,728.16 : x
  2. Step 2: Convert to fraction form
    4,512/6,754.56 = 3,728.16/x
  3. Step 3: Cross multiply
    4,512x = 6,754.56 × 3,728.16
  4. Step 4: Simplify right side
    4,512x = 25,182,080.41
  5. Step 5: Solve for x
    x = 25,182,080.41/4,512
  6. Step 6: Final answer
    x = 5,581.13

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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.