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Finding the Fourth Proportional to 18,010.56, 24,859.80 and 10,458.60

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Solution

The fourth proportional to 18,010.56, 24,859.80 and 10,458.60 is: 14,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.56 : 24,859.80 = 10,458.60 : x
  2. Step 2: Convert to fraction form
    18,010.56/24,859.80 = 10,458.60/x
  3. Step 3: Cross multiply
    18,010.56x = 24,859.80 × 10,458.60
  4. Step 4: Simplify right side
    18,010.56x = 259,998,704.28
  5. Step 5: Solve for x
    x = 259,998,704.28/18,010.56
  6. Step 6: Final answer
    x = 14,435.90

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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.