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Finding the Fourth Proportional to 7,076.55, 9,768.29 and 5,313.25

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Solution

The fourth proportional to 7,076.55, 9,768.29 and 5,313.25 is: 7,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.55 : 9,768.29 = 5,313.25 : x
  2. Step 2: Convert to fraction form
    7,076.55/9,768.29 = 5,313.25/x
  3. Step 3: Cross multiply
    7,076.55x = 9,768.29 × 5,313.25
  4. Step 4: Simplify right side
    7,076.55x = 51,901,355.70
  5. Step 5: Solve for x
    x = 51,901,355.70/7,076.55
  6. Step 6: Final answer
    x = 7,334.27

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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.