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Finding the Fourth Proportional to 9,258.84, 12,774.87 and 5,481.72

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Solution

The fourth proportional to 9,258.84, 12,774.87 and 5,481.72 is: 7,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.84 : 12,774.87 = 5,481.72 : x
  2. Step 2: Convert to fraction form
    9,258.84/12,774.87 = 5,481.72/x
  3. Step 3: Cross multiply
    9,258.84x = 12,774.87 × 5,481.72
  4. Step 4: Simplify right side
    9,258.84x = 70,028,260.38
  5. Step 5: Solve for x
    x = 70,028,260.38/9,258.84
  6. Step 6: Final answer
    x = 7,563.39

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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.