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Finding the Fourth Proportional to 3,513.01, 4,847.61 and 1,941.01

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Solution

The fourth proportional to 3,513.01, 4,847.61 and 1,941.01 is: 2,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.01 : 4,847.61 = 1,941.01 : x
  2. Step 2: Convert to fraction form
    3,513.01/4,847.61 = 1,941.01/x
  3. Step 3: Cross multiply
    3,513.01x = 4,847.61 × 1,941.01
  4. Step 4: Simplify right side
    3,513.01x = 9,409,259.49
  5. Step 5: Solve for x
    x = 9,409,259.49/3,513.01
  6. Step 6: Final answer
    x = 2,678.40

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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.