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Finding the Fourth Proportional to 3,753.05, 5,629.64 and 1,156.01

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Solution

The fourth proportional to 3,753.05, 5,629.64 and 1,156.01 is: 1,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.05 : 5,629.64 = 1,156.01 : x
  2. Step 2: Convert to fraction form
    3,753.05/5,629.64 = 1,156.01/x
  3. Step 3: Cross multiply
    3,753.05x = 5,629.64 × 1,156.01
  4. Step 4: Simplify right side
    3,753.05x = 6,507,886.21
  5. Step 5: Solve for x
    x = 6,507,886.21/3,753.05
  6. Step 6: Final answer
    x = 1,734.03

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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.