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Finding the Fourth Proportional to 57,452.99, 79,279.43 and 35,938.58

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Solution

The fourth proportional to 57,452.99, 79,279.43 and 35,938.58 is: 49,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,452.99 : 79,279.43 = 35,938.58 : x
  2. Step 2: Convert to fraction form
    57,452.99/79,279.43 = 35,938.58/x
  3. Step 3: Cross multiply
    57,452.99x = 79,279.43 × 35,938.58
  4. Step 4: Simplify right side
    57,452.99x = 2,849,189,561.32
  5. Step 5: Solve for x
    x = 2,849,189,561.32/57,452.99
  6. Step 6: Final answer
    x = 49,591.67

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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.