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Finding the Fourth Proportional to 1,363.32, 2,041.68 and 1,052.88

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Solution

The fourth proportional to 1,363.32, 2,041.68 and 1,052.88 is: 1,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.32 : 2,041.68 = 1,052.88 : x
  2. Step 2: Convert to fraction form
    1,363.32/2,041.68 = 1,052.88/x
  3. Step 3: Cross multiply
    1,363.32x = 2,041.68 × 1,052.88
  4. Step 4: Simplify right side
    1,363.32x = 2,149,644.04
  5. Step 5: Solve for x
    x = 2,149,644.04/1,363.32
  6. Step 6: Final answer
    x = 1,576.77

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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.