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Finding the Fourth Proportional to 61,932.99, 85,452.89 and 36,440.47

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Solution

The fourth proportional to 61,932.99, 85,452.89 and 36,440.47 is: 50,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,932.99 : 85,452.89 = 36,440.47 : x
  2. Step 2: Convert to fraction form
    61,932.99/85,452.89 = 36,440.47/x
  3. Step 3: Cross multiply
    61,932.99x = 85,452.89 × 36,440.47
  4. Step 4: Simplify right side
    61,932.99x = 3,113,943,078.62
  5. Step 5: Solve for x
    x = 3,113,943,078.62/61,932.99
  6. Step 6: Final answer
    x = 50,279.23

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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.