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Finding the Fourth Proportional to 57,755.64, 79,703.16 and 33,882.84

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Solution

The fourth proportional to 57,755.64, 79,703.16 and 33,882.84 is: 46,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,755.64 : 79,703.16 = 33,882.84 : x
  2. Step 2: Convert to fraction form
    57,755.64/79,703.16 = 33,882.84/x
  3. Step 3: Cross multiply
    57,755.64x = 79,703.16 × 33,882.84
  4. Step 4: Simplify right side
    57,755.64x = 2,700,569,417.77
  5. Step 5: Solve for x
    x = 2,700,569,417.77/57,755.64
  6. Step 6: Final answer
    x = 46,758.54

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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.