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Finding the Fourth Proportional to 3,539.01, 4,883.96 and 1,945.81

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Solution

The fourth proportional to 3,539.01, 4,883.96 and 1,945.81 is: 2,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.01 : 4,883.96 = 1,945.81 : x
  2. Step 2: Convert to fraction form
    3,539.01/4,883.96 = 1,945.81/x
  3. Step 3: Cross multiply
    3,539.01x = 4,883.96 × 1,945.81
  4. Step 4: Simplify right side
    3,539.01x = 9,503,258.21
  5. Step 5: Solve for x
    x = 9,503,258.21/3,539.01
  6. Step 6: Final answer
    x = 2,685.29

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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.