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Finding the Fourth Proportional to 12,562.96, 18,864.60 and 10,627.60

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Solution

The fourth proportional to 12,562.96, 18,864.60 and 10,627.60 is: 15,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.96 : 18,864.60 = 10,627.60 : x
  2. Step 2: Convert to fraction form
    12,562.96/18,864.60 = 10,627.60/x
  3. Step 3: Cross multiply
    12,562.96x = 18,864.60 × 10,627.60
  4. Step 4: Simplify right side
    12,562.96x = 200,485,422.96
  5. Step 5: Solve for x
    x = 200,485,422.96/12,562.96
  6. Step 6: Final answer
    x = 15,958.45

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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.