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Finding the Fourth Proportional to 23,864.80, 32,932.02 and 13,253.80

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Solution

The fourth proportional to 23,864.80, 32,932.02 and 13,253.80 is: 18,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,864.80 : 32,932.02 = 13,253.80 : x
  2. Step 2: Convert to fraction form
    23,864.80/32,932.02 = 13,253.80/x
  3. Step 3: Cross multiply
    23,864.80x = 32,932.02 × 13,253.80
  4. Step 4: Simplify right side
    23,864.80x = 436,474,406.68
  5. Step 5: Solve for x
    x = 436,474,406.68/23,864.80
  6. Step 6: Final answer
    x = 18,289.46

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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.