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Finding the Fourth Proportional to 57,674.14, 79,575.28 and 33,787.98

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Solution

The fourth proportional to 57,674.14, 79,575.28 and 33,787.98 is: 46,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,674.14 : 79,575.28 = 33,787.98 : x
  2. Step 2: Convert to fraction form
    57,674.14/79,575.28 = 33,787.98/x
  3. Step 3: Cross multiply
    57,674.14x = 79,575.28 × 33,787.98
  4. Step 4: Simplify right side
    57,674.14x = 2,688,687,884.66
  5. Step 5: Solve for x
    x = 2,688,687,884.66/57,674.14
  6. Step 6: Final answer
    x = 46,618.61

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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.