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Finding the Fourth Proportional to 37,159.08, 55,738.39 and 9,079.28

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Solution

The fourth proportional to 37,159.08, 55,738.39 and 9,079.28 is: 13,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,159.08 : 55,738.39 = 9,079.28 : x
  2. Step 2: Convert to fraction form
    37,159.08/55,738.39 = 9,079.28/x
  3. Step 3: Cross multiply
    37,159.08x = 55,738.39 × 9,079.28
  4. Step 4: Simplify right side
    37,159.08x = 506,064,505.44
  5. Step 5: Solve for x
    x = 506,064,505.44/37,159.08
  6. Step 6: Final answer
    x = 13,618.87

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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.