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Finding the Fourth Proportional to 10,662.54, 15,993.35 and 7,546.97

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Solution

The fourth proportional to 10,662.54, 15,993.35 and 7,546.97 is: 11,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.54 : 15,993.35 = 7,546.97 : x
  2. Step 2: Convert to fraction form
    10,662.54/15,993.35 = 7,546.97/x
  3. Step 3: Cross multiply
    10,662.54x = 15,993.35 × 7,546.97
  4. Step 4: Simplify right side
    10,662.54x = 120,701,363.20
  5. Step 5: Solve for x
    x = 120,701,363.20/10,662.54
  6. Step 6: Final answer
    x = 11,320.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.