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Finding the Fourth Proportional to 37,892.84, 56,799.84 and 21,228.44

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Solution

The fourth proportional to 37,892.84, 56,799.84 and 21,228.44 is: 31,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,892.84 : 56,799.84 = 21,228.44 : x
  2. Step 2: Convert to fraction form
    37,892.84/56,799.84 = 21,228.44/x
  3. Step 3: Cross multiply
    37,892.84x = 56,799.84 × 21,228.44
  4. Step 4: Simplify right side
    37,892.84x = 1,205,771,995.45
  5. Step 5: Solve for x
    x = 1,205,771,995.45/37,892.84
  6. Step 6: Final answer
    x = 31,820.58

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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.