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Finding the Fourth Proportional to 23,644.80, 35,473.68 and 18,730.80

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Solution

The fourth proportional to 23,644.80, 35,473.68 and 18,730.80 is: 28,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,644.80 : 35,473.68 = 18,730.80 : x
  2. Step 2: Convert to fraction form
    23,644.80/35,473.68 = 18,730.80/x
  3. Step 3: Cross multiply
    23,644.80x = 35,473.68 × 18,730.80
  4. Step 4: Simplify right side
    23,644.80x = 664,450,405.34
  5. Step 5: Solve for x
    x = 664,450,405.34/23,644.80
  6. Step 6: Final answer
    x = 28,101.33

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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.