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Finding the Fourth Proportional to 57,636.75, 79,604.33 and 38,741.07

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Solution

The fourth proportional to 57,636.75, 79,604.33 and 38,741.07 is: 53,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,636.75 : 79,604.33 = 38,741.07 : x
  2. Step 2: Convert to fraction form
    57,636.75/79,604.33 = 38,741.07/x
  3. Step 3: Cross multiply
    57,636.75x = 79,604.33 × 38,741.07
  4. Step 4: Simplify right side
    57,636.75x = 3,083,956,727.13
  5. Step 5: Solve for x
    x = 3,083,956,727.13/57,636.75
  6. Step 6: Final answer
    x = 53,506.78

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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.