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Finding the Fourth Proportional to 7,792.59, 10,765.54 and 5,110.21

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Solution

The fourth proportional to 7,792.59, 10,765.54 and 5,110.21 is: 7,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.59 : 10,765.54 = 5,110.21 : x
  2. Step 2: Convert to fraction form
    7,792.59/10,765.54 = 5,110.21/x
  3. Step 3: Cross multiply
    7,792.59x = 10,765.54 × 5,110.21
  4. Step 4: Simplify right side
    7,792.59x = 55,014,170.16
  5. Step 5: Solve for x
    x = 55,014,170.16/7,792.59
  6. Step 6: Final answer
    x = 7,059.81

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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.