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Finding the Fourth Proportional to 57,759.81, 79,713.90 and 35,093.58

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Solution

The fourth proportional to 57,759.81, 79,713.90 and 35,093.58 is: 48,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,759.81 : 79,713.90 = 35,093.58 : x
  2. Step 2: Convert to fraction form
    57,759.81/79,713.90 = 35,093.58/x
  3. Step 3: Cross multiply
    57,759.81x = 79,713.90 × 35,093.58
  4. Step 4: Simplify right side
    57,759.81x = 2,797,446,126.76
  5. Step 5: Solve for x
    x = 2,797,446,126.76/57,759.81
  6. Step 6: Final answer
    x = 48,432.40

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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.