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Finding the Fourth Proportional to 3,552, 5,328.72 and 1,500

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Solution

The fourth proportional to 3,552, 5,328.72 and 1,500 is: 2,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552 : 5,328.72 = 1,500 : x
  2. Step 2: Convert to fraction form
    3,552/5,328.72 = 1,500/x
  3. Step 3: Cross multiply
    3,552x = 5,328.72 × 1,500
  4. Step 4: Simplify right side
    3,552x = 7,993,080
  5. Step 5: Solve for x
    x = 7,993,080/3,552
  6. Step 6: Final answer
    x = 2,250.30

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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.