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Finding the Fourth Proportional to 37,893.84, 56,801.34 and 21,229.44

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Solution

The fourth proportional to 37,893.84, 56,801.34 and 21,229.44 is: 31,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,893.84 : 56,801.34 = 21,229.44 : x
  2. Step 2: Convert to fraction form
    37,893.84/56,801.34 = 21,229.44/x
  3. Step 3: Cross multiply
    37,893.84x = 56,801.34 × 21,229.44
  4. Step 4: Simplify right side
    37,893.84x = 1,205,860,639.45
  5. Step 5: Solve for x
    x = 1,205,860,639.45/37,893.84
  6. Step 6: Final answer
    x = 31,822.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.