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Finding the Fourth Proportional to 61,255.91, 84,542.31 and 37,396.44

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Solution

The fourth proportional to 61,255.91, 84,542.31 and 37,396.44 is: 51,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,255.91 : 84,542.31 = 37,396.44 : x
  2. Step 2: Convert to fraction form
    61,255.91/84,542.31 = 37,396.44/x
  3. Step 3: Cross multiply
    61,255.91x = 84,542.31 × 37,396.44
  4. Step 4: Simplify right side
    61,255.91x = 3,161,581,423.38
  5. Step 5: Solve for x
    x = 3,161,581,423.38/61,255.91
  6. Step 6: Final answer
    x = 51,612.67

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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.