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Finding the Fourth Proportional to 47,853.88, 65,969.92 and 33,662.68

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Solution

The fourth proportional to 47,853.88, 65,969.92 and 33,662.68 is: 46,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,853.88 : 65,969.92 = 33,662.68 : x
  2. Step 2: Convert to fraction form
    47,853.88/65,969.92 = 33,662.68/x
  3. Step 3: Cross multiply
    47,853.88x = 65,969.92 × 33,662.68
  4. Step 4: Simplify right side
    47,853.88x = 2,220,724,306.59
  5. Step 5: Solve for x
    x = 2,220,724,306.59/47,853.88
  6. Step 6: Final answer
    x = 46,406.36

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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.