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Finding the Fourth Proportional to 23,662.80, 35,464.05 and 12,574.80

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Solution

The fourth proportional to 23,662.80, 35,464.05 and 12,574.80 is: 18,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,662.80 : 35,464.05 = 12,574.80 : x
  2. Step 2: Convert to fraction form
    23,662.80/35,464.05 = 12,574.80/x
  3. Step 3: Cross multiply
    23,662.80x = 35,464.05 × 12,574.80
  4. Step 4: Simplify right side
    23,662.80x = 445,953,335.94
  5. Step 5: Solve for x
    x = 445,953,335.94/23,662.80
  6. Step 6: Final answer
    x = 18,846.18

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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.