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Finding the Fourth Proportional to 23,893.70, 32,973 and 13,283.30

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Solution

The fourth proportional to 23,893.70, 32,973 and 13,283.30 is: 18,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,893.70 : 32,973 = 13,283.30 : x
  2. Step 2: Convert to fraction form
    23,893.70/32,973 = 13,283.30/x
  3. Step 3: Cross multiply
    23,893.70x = 32,973 × 13,283.30
  4. Step 4: Simplify right side
    23,893.70x = 437,990,250.90
  5. Step 5: Solve for x
    x = 437,990,250.90/23,893.70
  6. Step 6: Final answer
    x = 18,330.78

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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.