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Finding the Fourth Proportional to 61,246.88, 84,520.29 and 38,600.49

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Solution

The fourth proportional to 61,246.88, 84,520.29 and 38,600.49 is: 53,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,246.88 : 84,520.29 = 38,600.49 : x
  2. Step 2: Convert to fraction form
    61,246.88/84,520.29 = 38,600.49/x
  3. Step 3: Cross multiply
    61,246.88x = 84,520.29 × 38,600.49
  4. Step 4: Simplify right side
    61,246.88x = 3,262,524,608.94
  5. Step 5: Solve for x
    x = 3,262,524,608.94/61,246.88
  6. Step 6: Final answer
    x = 53,268.42

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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.