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Finding the Fourth Proportional to 7,676.56, 10,593.88 and 4,319.68

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Solution

The fourth proportional to 7,676.56, 10,593.88 and 4,319.68 is: 5,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.56 : 10,593.88 = 4,319.68 : x
  2. Step 2: Convert to fraction form
    7,676.56/10,593.88 = 4,319.68/x
  3. Step 3: Cross multiply
    7,676.56x = 10,593.88 × 4,319.68
  4. Step 4: Simplify right side
    7,676.56x = 45,762,171.56
  5. Step 5: Solve for x
    x = 45,762,171.56/7,676.56
  6. Step 6: Final answer
    x = 5,961.29

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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.