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Finding the Fourth Proportional to 23,745.37, 32,772 and 13,672.81

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Solution

The fourth proportional to 23,745.37, 32,772 and 13,672.81 is: 18,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,745.37 : 32,772 = 13,672.81 : x
  2. Step 2: Convert to fraction form
    23,745.37/32,772 = 13,672.81/x
  3. Step 3: Cross multiply
    23,745.37x = 32,772 × 13,672.81
  4. Step 4: Simplify right side
    23,745.37x = 448,085,329.32
  5. Step 5: Solve for x
    x = 448,085,329.32/23,745.37
  6. Step 6: Final answer
    x = 18,870.43

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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.