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Finding the Fourth Proportional to 6,761.03, 9,330.74 and 4,976.68

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Solution

The fourth proportional to 6,761.03, 9,330.74 and 4,976.68 is: 6,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.03 : 9,330.74 = 4,976.68 : x
  2. Step 2: Convert to fraction form
    6,761.03/9,330.74 = 4,976.68/x
  3. Step 3: Cross multiply
    6,761.03x = 9,330.74 × 4,976.68
  4. Step 4: Simplify right side
    6,761.03x = 46,436,096.26
  5. Step 5: Solve for x
    x = 46,436,096.26/6,761.03
  6. Step 6: Final answer
    x = 6,868.20

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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.