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Finding the Fourth Proportional to 5,479.59, 7,561.84 and 2,995.59

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Solution

The fourth proportional to 5,479.59, 7,561.84 and 2,995.59 is: 4,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.59 : 7,561.84 = 2,995.59 : x
  2. Step 2: Convert to fraction form
    5,479.59/7,561.84 = 2,995.59/x
  3. Step 3: Cross multiply
    5,479.59x = 7,561.84 × 2,995.59
  4. Step 4: Simplify right side
    5,479.59x = 22,652,198.77
  5. Step 5: Solve for x
    x = 22,652,198.77/5,479.59
  6. Step 6: Final answer
    x = 4,133.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.