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Finding the Fourth Proportional to 6,752.26, 10,128.46 and 6,742.54

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Solution

The fourth proportional to 6,752.26, 10,128.46 and 6,742.54 is: 10,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.26 : 10,128.46 = 6,742.54 : x
  2. Step 2: Convert to fraction form
    6,752.26/10,128.46 = 6,742.54/x
  3. Step 3: Cross multiply
    6,752.26x = 10,128.46 × 6,742.54
  4. Step 4: Simplify right side
    6,752.26x = 68,291,504.51
  5. Step 5: Solve for x
    x = 68,291,504.51/6,752.26
  6. Step 6: Final answer
    x = 10,113.88

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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.