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Finding the Fourth Proportional to 3,242.11, 4,868.03 and 1,857.01

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Solution

The fourth proportional to 3,242.11, 4,868.03 and 1,857.01 is: 2,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.11 : 4,868.03 = 1,857.01 : x
  2. Step 2: Convert to fraction form
    3,242.11/4,868.03 = 1,857.01/x
  3. Step 3: Cross multiply
    3,242.11x = 4,868.03 × 1,857.01
  4. Step 4: Simplify right side
    3,242.11x = 9,039,980.39
  5. Step 5: Solve for x
    x = 9,039,980.39/3,242.11
  6. Step 6: Final answer
    x = 2,788.30

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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.