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Finding the Fourth Proportional to 23,856.87, 32,923.49 and 13,247.49

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Solution

The fourth proportional to 23,856.87, 32,923.49 and 13,247.49 is: 18,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,856.87 : 32,923.49 = 13,247.49 : x
  2. Step 2: Convert to fraction form
    23,856.87/32,923.49 = 13,247.49/x
  3. Step 3: Cross multiply
    23,856.87x = 32,923.49 × 13,247.49
  4. Step 4: Simplify right side
    23,856.87x = 436,153,538.30
  5. Step 5: Solve for x
    x = 436,153,538.30/23,856.87
  6. Step 6: Final answer
    x = 18,282.09

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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.