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Finding the Fourth Proportional to 2,512.64, 3,768.80 and 952.04

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Solution

The fourth proportional to 2,512.64, 3,768.80 and 952.04 is: 1,428.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.64 : 3,768.80 = 952.04 : x
  2. Step 2: Convert to fraction form
    2,512.64/3,768.80 = 952.04/x
  3. Step 3: Cross multiply
    2,512.64x = 3,768.80 × 952.04
  4. Step 4: Simplify right side
    2,512.64x = 3,588,048.35
  5. Step 5: Solve for x
    x = 3,588,048.35/2,512.64
  6. Step 6: Final answer
    x = 1,428.00

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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.