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Finding the Fourth Proportional to 57,473.63, 79,350.04 and 39,354.67

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Solution

The fourth proportional to 57,473.63, 79,350.04 and 39,354.67 is: 54,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,473.63 : 79,350.04 = 39,354.67 : x
  2. Step 2: Convert to fraction form
    57,473.63/79,350.04 = 39,354.67/x
  3. Step 3: Cross multiply
    57,473.63x = 79,350.04 × 39,354.67
  4. Step 4: Simplify right side
    57,473.63x = 3,122,794,241.94
  5. Step 5: Solve for x
    x = 3,122,794,241.94/57,473.63
  6. Step 6: Final answer
    x = 54,334.39

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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.