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Finding the Fourth Proportional to 3,955.77, 5,933.64 and 1,616.87

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Solution

The fourth proportional to 3,955.77, 5,933.64 and 1,616.87 is: 2,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.77 : 5,933.64 = 1,616.87 : x
  2. Step 2: Convert to fraction form
    3,955.77/5,933.64 = 1,616.87/x
  3. Step 3: Cross multiply
    3,955.77x = 5,933.64 × 1,616.87
  4. Step 4: Simplify right side
    3,955.77x = 9,593,924.51
  5. Step 5: Solve for x
    x = 9,593,924.51/3,955.77
  6. Step 6: Final answer
    x = 2,425.30

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1.5x scale

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.