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Finding the Fourth Proportional to 15,245.60, 22,906.80 and 9,701.60

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Solution

The fourth proportional to 15,245.60, 22,906.80 and 9,701.60 is: 14,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.60 : 22,906.80 = 9,701.60 : x
  2. Step 2: Convert to fraction form
    15,245.60/22,906.80 = 9,701.60/x
  3. Step 3: Cross multiply
    15,245.60x = 22,906.80 × 9,701.60
  4. Step 4: Simplify right side
    15,245.60x = 222,232,610.88
  5. Step 5: Solve for x
    x = 222,232,610.88/15,245.60
  6. Step 6: Final answer
    x = 14,576.84

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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.