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Finding the Fourth Proportional to 7,792.26, 10,751.82 and 4,648.74

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Solution

The fourth proportional to 7,792.26, 10,751.82 and 4,648.74 is: 6,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.26 : 10,751.82 = 4,648.74 : x
  2. Step 2: Convert to fraction form
    7,792.26/10,751.82 = 4,648.74/x
  3. Step 3: Cross multiply
    7,792.26x = 10,751.82 × 4,648.74
  4. Step 4: Simplify right side
    7,792.26x = 49,982,415.71
  5. Step 5: Solve for x
    x = 49,982,415.71/7,792.26
  6. Step 6: Final answer
    x = 6,414.37

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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.