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Finding the Fourth Proportional to 5,079.04, 7,614.04 and 1,791.56

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Solution

The fourth proportional to 5,079.04, 7,614.04 and 1,791.56 is: 2,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.04 : 7,614.04 = 1,791.56 : x
  2. Step 2: Convert to fraction form
    5,079.04/7,614.04 = 1,791.56/x
  3. Step 3: Cross multiply
    5,079.04x = 7,614.04 × 1,791.56
  4. Step 4: Simplify right side
    5,079.04x = 13,641,009.50
  5. Step 5: Solve for x
    x = 13,641,009.50/5,079.04
  6. Step 6: Final answer
    x = 2,685.75

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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.