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Finding the Fourth Proportional to 3,552.46, 5,328.99 and 955.54

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Solution

The fourth proportional to 3,552.46, 5,328.99 and 955.54 is: 1,433.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.46 : 5,328.99 = 955.54 : x
  2. Step 2: Convert to fraction form
    3,552.46/5,328.99 = 955.54/x
  3. Step 3: Cross multiply
    3,552.46x = 5,328.99 × 955.54
  4. Step 4: Simplify right side
    3,552.46x = 5,092,063.10
  5. Step 5: Solve for x
    x = 5,092,063.10/3,552.46
  6. Step 6: Final answer
    x = 1,433.39

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1.5x scale

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.