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Finding the Fourth Proportional to 58,310.63, 80,493.50 and 39,201.49

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Solution

The fourth proportional to 58,310.63, 80,493.50 and 39,201.49 is: 54,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,310.63 : 80,493.50 = 39,201.49 : x
  2. Step 2: Convert to fraction form
    58,310.63/80,493.50 = 39,201.49/x
  3. Step 3: Cross multiply
    58,310.63x = 80,493.50 × 39,201.49
  4. Step 4: Simplify right side
    58,310.63x = 3,155,465,333.94
  5. Step 5: Solve for x
    x = 3,155,465,333.94/58,310.63
  6. Step 6: Final answer
    x = 54,114.75

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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.