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Finding the Fourth Proportional to 57,674.39, 79,575.62 and 33,788.23

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Solution

The fourth proportional to 57,674.39, 79,575.62 and 33,788.23 is: 46,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,674.39 : 79,575.62 = 33,788.23 : x
  2. Step 2: Convert to fraction form
    57,674.39/79,575.62 = 33,788.23/x
  3. Step 3: Cross multiply
    57,674.39x = 79,575.62 × 33,788.23
  4. Step 4: Simplify right side
    57,674.39x = 2,688,719,435.42
  5. Step 5: Solve for x
    x = 2,688,719,435.42/57,674.39
  6. Step 6: Final answer
    x = 46,618.95

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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.