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Finding the Fourth Proportional to 6,752.70, 10,119.33 and 5,019.30

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Solution

The fourth proportional to 6,752.70, 10,119.33 and 5,019.30 is: 7,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.70 : 10,119.33 = 5,019.30 : x
  2. Step 2: Convert to fraction form
    6,752.70/10,119.33 = 5,019.30/x
  3. Step 3: Cross multiply
    6,752.70x = 10,119.33 × 5,019.30
  4. Step 4: Simplify right side
    6,752.70x = 50,791,953.07
  5. Step 5: Solve for x
    x = 50,791,953.07/6,752.70
  6. Step 6: Final answer
    x = 7,521.73

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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.