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Finding the Fourth Proportional to 3,350.45, 5,025.24 and 885.45

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Solution

The fourth proportional to 3,350.45, 5,025.24 and 885.45 is: 1,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.45 : 5,025.24 = 885.45 : x
  2. Step 2: Convert to fraction form
    3,350.45/5,025.24 = 885.45/x
  3. Step 3: Cross multiply
    3,350.45x = 5,025.24 × 885.45
  4. Step 4: Simplify right side
    3,350.45x = 4,449,598.76
  5. Step 5: Solve for x
    x = 4,449,598.76/3,350.45
  6. Step 6: Final answer
    x = 1,328.06

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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.