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Finding the Fourth Proportional to 3,443.54, 4,776.46 and 3,325.53

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Solution

The fourth proportional to 3,443.54, 4,776.46 and 3,325.53 is: 4,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.54 : 4,776.46 = 3,325.53 : x
  2. Step 2: Convert to fraction form
    3,443.54/4,776.46 = 3,325.53/x
  3. Step 3: Cross multiply
    3,443.54x = 4,776.46 × 3,325.53
  4. Step 4: Simplify right side
    3,443.54x = 15,884,261.02
  5. Step 5: Solve for x
    x = 15,884,261.02/3,443.54
  6. Step 6: Final answer
    x = 4,612.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.