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Finding the Fourth Proportional to 23,469.78, 32,392.44 and 14,038.32

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Solution

The fourth proportional to 23,469.78, 32,392.44 and 14,038.32 is: 19,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,469.78 : 32,392.44 = 14,038.32 : x
  2. Step 2: Convert to fraction form
    23,469.78/32,392.44 = 14,038.32/x
  3. Step 3: Cross multiply
    23,469.78x = 32,392.44 × 14,038.32
  4. Step 4: Simplify right side
    23,469.78x = 454,735,438.30
  5. Step 5: Solve for x
    x = 454,735,438.30/23,469.78
  6. Step 6: Final answer
    x = 19,375.36

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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.