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Finding the Fourth Proportional to 57,863.76, 79,886.82 and 37,755.51

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Solution

The fourth proportional to 57,863.76, 79,886.82 and 37,755.51 is: 52,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,863.76 : 79,886.82 = 37,755.51 : x
  2. Step 2: Convert to fraction form
    57,863.76/79,886.82 = 37,755.51/x
  3. Step 3: Cross multiply
    57,863.76x = 79,886.82 × 37,755.51
  4. Step 4: Simplify right side
    57,863.76x = 3,016,167,631.38
  5. Step 5: Solve for x
    x = 3,016,167,631.38/57,863.76
  6. Step 6: Final answer
    x = 52,125.33

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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.