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Finding the Fourth Proportional to 3,955.16, 5,932.76 and 1,358.12

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Solution

The fourth proportional to 3,955.16, 5,932.76 and 1,358.12 is: 2,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.16 : 5,932.76 = 1,358.12 : x
  2. Step 2: Convert to fraction form
    3,955.16/5,932.76 = 1,358.12/x
  3. Step 3: Cross multiply
    3,955.16x = 5,932.76 × 1,358.12
  4. Step 4: Simplify right side
    3,955.16x = 8,057,400.01
  5. Step 5: Solve for x
    x = 8,057,400.01/3,955.16
  6. Step 6: Final answer
    x = 2,037.19

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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.