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Finding the Fourth Proportional to 9,676.58, 13,353 and 5,427.32

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Solution

The fourth proportional to 9,676.58, 13,353 and 5,427.32 is: 7,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.58 : 13,353 = 5,427.32 : x
  2. Step 2: Convert to fraction form
    9,676.58/13,353 = 5,427.32/x
  3. Step 3: Cross multiply
    9,676.58x = 13,353 × 5,427.32
  4. Step 4: Simplify right side
    9,676.58x = 72,471,003.96
  5. Step 5: Solve for x
    x = 72,471,003.96/9,676.58
  6. Step 6: Final answer
    x = 7,489.32

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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.