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Finding the Fourth Proportional to 1,052.88, 1,576.08 and 897.36

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Solution

The fourth proportional to 1,052.88, 1,576.08 and 897.36 is: 1,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.88 : 1,576.08 = 897.36 : x
  2. Step 2: Convert to fraction form
    1,052.88/1,576.08 = 897.36/x
  3. Step 3: Cross multiply
    1,052.88x = 1,576.08 × 897.36
  4. Step 4: Simplify right side
    1,052.88x = 1,414,311.15
  5. Step 5: Solve for x
    x = 1,414,311.15/1,052.88
  6. Step 6: Final answer
    x = 1,343.28

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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.