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Finding the Fourth Proportional to 32,893.84, 45,393.24 and 18,745.84

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Solution

The fourth proportional to 32,893.84, 45,393.24 and 18,745.84 is: 25,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,893.84 : 45,393.24 = 18,745.84 : x
  2. Step 2: Convert to fraction form
    32,893.84/45,393.24 = 18,745.84/x
  3. Step 3: Cross multiply
    32,893.84x = 45,393.24 × 18,745.84
  4. Step 4: Simplify right side
    32,893.84x = 850,934,414.12
  5. Step 5: Solve for x
    x = 850,934,414.12/32,893.84
  6. Step 6: Final answer
    x = 25,869.11

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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.