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Finding the Fourth Proportional to 5,119.38, 7,093.28 and 5,008.66

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Solution

The fourth proportional to 5,119.38, 7,093.28 and 5,008.66 is: 6,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.38 : 7,093.28 = 5,008.66 : x
  2. Step 2: Convert to fraction form
    5,119.38/7,093.28 = 5,008.66/x
  3. Step 3: Cross multiply
    5,119.38x = 7,093.28 × 5,008.66
  4. Step 4: Simplify right side
    5,119.38x = 35,527,802.76
  5. Step 5: Solve for x
    x = 35,527,802.76/5,119.38
  6. Step 6: Final answer
    x = 6,939.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.