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Finding the Fourth Proportional to 57,496.89, 79,333.74 and 33,618.93

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Solution

The fourth proportional to 57,496.89, 79,333.74 and 33,618.93 is: 46,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,496.89 : 79,333.74 = 33,618.93 : x
  2. Step 2: Convert to fraction form
    57,496.89/79,333.74 = 33,618.93/x
  3. Step 3: Cross multiply
    57,496.89x = 79,333.74 × 33,618.93
  4. Step 4: Simplify right side
    57,496.89x = 2,667,115,451.70
  5. Step 5: Solve for x
    x = 2,667,115,451.70/57,496.89
  6. Step 6: Final answer
    x = 46,387.13

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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.