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Finding the Fourth Proportional to 3,995.04, 5,991.64 and 1,528.96

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Solution

The fourth proportional to 3,995.04, 5,991.64 and 1,528.96 is: 2,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.04 : 5,991.64 = 1,528.96 : x
  2. Step 2: Convert to fraction form
    3,995.04/5,991.64 = 1,528.96/x
  3. Step 3: Cross multiply
    3,995.04x = 5,991.64 × 1,528.96
  4. Step 4: Simplify right side
    3,995.04x = 9,160,977.89
  5. Step 5: Solve for x
    x = 9,160,977.89/3,995.04
  6. Step 6: Final answer
    x = 2,293.09

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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.