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Finding the Fourth Proportional to 4,016, 5,548.19 and 3,210.20

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Solution

The fourth proportional to 4,016, 5,548.19 and 3,210.20 is: 4,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,016 : 5,548.19 = 3,210.20 : x
  2. Step 2: Convert to fraction form
    4,016/5,548.19 = 3,210.20/x
  3. Step 3: Cross multiply
    4,016x = 5,548.19 × 3,210.20
  4. Step 4: Simplify right side
    4,016x = 17,810,799.54
  5. Step 5: Solve for x
    x = 17,810,799.54/4,016
  6. Step 6: Final answer
    x = 4,434.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.